Câu hỏi:

12/01/2026 9 Lưu

\(\begin{array}{*{20}{c}}3\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{93}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{150}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{13}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{132}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}5\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{126}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{13}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{123}\end{array}{\rm{  =  }}.........\]

\[\begin{array}{*{20}{c}}7\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}3\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{114}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{13}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{100}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}7\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{132}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{138}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}3\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{104}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}7\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{135}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{126}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{132}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{115}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{110}\end{array}{\rm{  =  }}.........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{102}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}7\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{150}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}9\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{47}\\\hline{143}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{108}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}5\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{140}\end{array}{\rm{  =  }}.........{\rm{ }}\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{35}\\\hline{144}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{13}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{110}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}3\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{125}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{17}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{120}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}7\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{144}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{19}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{108}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{35}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{112}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{140}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}7\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{133}\end{array}{\rm{  =  }}.........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{120}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{128}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{13}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{96}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}5\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{130}\end{array}{\rm{  =  }}.........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{112}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{80}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{37}\\\hline{104}\end{array}{\rm{  =  }}.........{\rm{ }}\)

\(\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{100}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}7\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{130}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{26}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{100}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{112}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{29}\\\hline{132}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{111}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{43}\\\hline{130}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{17}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{180}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{108}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}8\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{126}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}7\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{119}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{90}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{29}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{186}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{147}\end{array}{\rm{  =  }}........\]

\[\begin{array}{*{20}{c}}{15}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{170}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{43}\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{172}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{98}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{140}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{10}\\\hline{51}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{102}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}9\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{148}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}4\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{129}\end{array}{\rm{  =  }}........\)

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Trả lời:

verified Giải bởi Vietjack

\(\begin{array}{*{20}{c}}3\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{93}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{93}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{150}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{150}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline{33}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{63}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{123}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{22}\\\hline{123}\end{array}\]

\[\begin{array}{*{20}{c}}7\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{72}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{114}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{57}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{50}\end{array}\]

\(\begin{array}{*{20}{c}}7\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{132}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{138}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline{69}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{104}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{104}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{135}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{27}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline{63}\end{array}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{61}\\\hline{33}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{115}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{44}\\\hline{115}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{110}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{102}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{51}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{150}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{41}\\\hline{150}\end{array}\]

\(\begin{array}{*{20}{c}}9\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{47}\\\hline{143}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{36}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{35}\\\hline{144}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{144}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{110}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{55}\end{array}\)

\[\begin{array}{*{20}{c}}3\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{125}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{14}\\\hline{125}\end{array}\]

\(\begin{array}{*{20}{c}}{17}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{49}\\\hline{120}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{144}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}\]

\[\begin{array}{*{20}{c}}{19}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{37}\\\hline{27}\end{array}\]

\[\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{112}\end{array}\]

\(\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{140}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{133}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{36}\\\hline{133}\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}6\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{128}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{55}\\\hline{128}\end{array}\]

\(\begin{array}{*{20}{c}}{13}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{96}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{48}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{65}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{67}\\\hline{112}\end{array}\)

\[\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{80}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{21}\\\hline{40}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{37}\\\hline{104}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{104}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{100}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{12}\\\hline{65}\end{array}\)

\[\begin{array}{*{20}{c}}{26}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{100}\end{array}\]

\(\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{43}\\\hline{28}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{29}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{23}\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{111}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{111}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{43}\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{130}\end{array}\]

\(\begin{array}{*{20}{c}}{17}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{180}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{89}\\\hline{180}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{108}\end{array}\)

\(\begin{array}{*{20}{c}}8\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{126}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{119}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{119}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{90}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}{29}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{186}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{34}\\\hline{93}\end{array}\)

\[\begin{array}{*{20}{c}}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{147}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{49}\end{array}\]

\[\begin{array}{*{20}{c}}{15}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{170}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{85}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{172}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{55}\\\hline{172}\end{array}\)

\(\begin{array}{*{20}{c}}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{98}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{87}\\\hline{49}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}{10}\\\hline{51}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{102}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{34}\end{array}\]

\(\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{148}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{148}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{129}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{129}\end{array}\)

CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}..........\]

\[\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{17}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{23}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{17}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}..........{\rm{ }}\]

\[\begin{array}{*{20}{c}}{35}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{91}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{29}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{41}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}9\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{26}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{71}\\\hline{82}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{41}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{97}\\\hline{102}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{34}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{51}\\\hline{106}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{53}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{34}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{37}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{47}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{56}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{25}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{61}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{18}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{64}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}1\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}8\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{26}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{23}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}...........\)

\[\begin{array}{*{20}{c}}{61}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline4\end{array}{\rm{  =  }}..........\]

\[\begin{array}{*{20}{c}}{20}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{11}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{47}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}3\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{85}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{99}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{17}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{37}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{135}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{71}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{140}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline9\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{19}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{72}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{43}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{63}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{46}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{99}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{15}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{78}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{66}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{67}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{135}\end{array}{\rm{  =  }}.........\)

Lời giải

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline6\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{15}\end{array}\]

\[\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline9\end{array}\]

\(\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline6\end{array}\)

\[\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{14}\end{array}\]

\(\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{16}\end{array}\)

\(\begin{array}{*{20}{c}}{17}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline3\end{array}\)

\[\begin{array}{*{20}{c}}{17}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\]

\[\begin{array}{*{20}{c}}{35}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{24}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{50}\end{array}\)

\(\begin{array}{*{20}{c}}{91}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{79}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}{29}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{19}\\\hline{60}\end{array}\]

\(\begin{array}{*{20}{c}}{41}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{70}\end{array}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{26}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{19}\\\hline{39}\end{array}\]

\(\begin{array}{*{20}{c}}{71}\\\hline{82}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{41}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{65}\\\hline{82}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{49}\end{array}\)

\[\begin{array}{*{20}{c}}{97}\\\hline{102}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{34}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{51}\end{array}\]

\(\begin{array}{*{20}{c}}{51}\\\hline{106}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{53}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{106}\end{array}\)

\[\begin{array}{*{20}{c}}{34}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{28}\\\hline{27}\end{array}\]

\(\begin{array}{*{20}{c}}{37}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{33}\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{32}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline9\end{array}\)

\[\begin{array}{*{20}{c}}{47}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\]

\(\begin{array}{*{20}{c}}{56}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}{25}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{19}\\\hline{42}\end{array}\]

\(\begin{array}{*{20}{c}}{61}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}{64}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{50}\\\hline{49}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}\)

\[\begin{array}{*{20}{c}}8\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{26}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{26}\end{array}\]

\(\begin{array}{*{20}{c}}{23}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{36}\end{array}\)

\[\begin{array}{*{20}{c}}{61}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}\]

\[\begin{array}{*{20}{c}}{20}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{33}\end{array}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{63}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}\)

\[\begin{array}{*{20}{c}}3\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{85}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{85}\end{array}\]

\(\begin{array}{*{20}{c}}{99}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{49}\end{array}\)

\(\begin{array}{*{20}{c}}{17}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}{37}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{135}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{109}\\\hline{135}\end{array}\)

\[\begin{array}{*{20}{c}}{71}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{27}\end{array}\]

\(\begin{array}{*{20}{c}}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{32}\\\hline{63}\end{array}\)

\(\begin{array}{*{20}{c}}{140}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{23}\\\hline{81}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{19}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{72}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{36}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{63}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{121}\\\hline{63}\end{array}\)

\[\begin{array}{*{20}{c}}{46}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{99}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{124}\\\hline{99}\end{array}\]

\(\begin{array}{*{20}{c}}{15}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{78}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline{39}\end{array}\)

\[\begin{array}{*{20}{c}}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{66}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{70}\\\hline{33}\end{array}\]

\(\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{120}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{108}\end{array}\)

\(\begin{array}{*{20}{c}}{67}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{135}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{12}\\\hline5\end{array}\)

Câu 2

\(\begin{array}{*{20}{c}}{13}\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}4\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{14}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{11}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}5\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline2\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{13}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{10}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{  =  }}...........\)

\[\begin{array}{*{20}{c}}5\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}............\]

\[\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{  =  }}............\]

\[\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}............\]

\(\begin{array}{*{20}{c}}{17}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{33}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{76}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{45}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{23}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{18}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{17}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{66}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{43}\\\hline{29}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{29}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{10}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{81}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{19}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{17}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{67}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{40}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{53}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{21}\\\hline{34}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{21}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{76}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{31}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{60}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{25}\\\hline{67}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{67}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{40}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{63}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{73}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{44}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{41}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{86}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{50}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{31}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{64}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{29}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{48}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{97}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{56}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{52}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{33}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{31}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{23}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{53}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{62}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{61}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{71}\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{43}\end{array}{\rm{  =  }}..........\]

\[\begin{array}{*{20}{c}}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{15}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{98}\\\hline{55}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{12}\\\hline{55}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{75}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{67}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{12}\\\hline{41}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{79}\\\hline{47}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{47}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}9\\\hline{103}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{103}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{23}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{19}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{39}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{77}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{65}\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline{39}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{16}\\\hline{69}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{69}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{61}\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{38}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{43}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{78}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{19}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{65}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{91}\\\hline{53}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{53}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{10}\\\hline{109}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{109}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{77}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{46}\end{array}{\rm{  =  }}........\)

\[\begin{array}{*{20}{c}}{89}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{52}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{30}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{59}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{83}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{49}\end{array}{\rm{  =  }}........\)

Lời giải

\(\begin{array}{*{20}{c}}{13}\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{14}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline2\end{array}{\rm{  =  1}}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{10}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline9\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\]

\[\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline4\end{array}\]

\[\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  1}}\]

\(\begin{array}{*{20}{c}}{17}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{12}\end{array}\]

\(\begin{array}{*{20}{c}}{76}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{45}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{68}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}{23}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline6\end{array}\]

\[\begin{array}{*{20}{c}}{17}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{66}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{33}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{29}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{29}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{30}\\\hline{29}\end{array}\)

\[\begin{array}{*{20}{c}}{10}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{81}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{81}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{17}\end{array}\)

\[\begin{array}{*{20}{c}}{67}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{40}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline5\end{array}\]

\(\begin{array}{*{20}{c}}{53}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{21}\\\hline{34}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline{17}\end{array}\)

\(\begin{array}{*{20}{c}}{21}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{76}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{19}\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline4\end{array}\)

\(\begin{array}{*{20}{c}}{31}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{60}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\)

\[\begin{array}{*{20}{c}}{25}\\\hline{67}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{67}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{15}\\\hline{67}\end{array}\]

\(\begin{array}{*{20}{c}}{40}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline9\end{array}\)

\(\begin{array}{*{20}{c}}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{63}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{73}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{44}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{27}\\\hline{22}\end{array}\)

\(\begin{array}{*{20}{c}}{41}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{86}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{50}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{73}\\\hline{50}\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{64}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}\)

\(\begin{array}{*{20}{c}}{29}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{14}\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{48}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{97}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{56}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{52}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{33}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline3\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{23}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{23}\end{array}\)

\(\begin{array}{*{20}{c}}{53}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{62}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{18}\\\hline{31}\end{array}\)

\(\begin{array}{*{20}{c}}{61}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}{71}\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{43}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{62}\\\hline{43}\end{array}\]

\[\begin{array}{*{20}{c}}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}\]

\[\begin{array}{*{20}{c}}{98}\\\hline{55}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{12}\\\hline{55}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{86}\\\hline{55}\end{array}\]

\(\begin{array}{*{20}{c}}{49}\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{75}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}{67}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{12}\\\hline{41}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{55}\\\hline{41}\end{array}\)

\(\begin{array}{*{20}{c}}{79}\\\hline{47}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{47}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{69}\\\hline{47}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{103}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{103}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{103}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{19}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline{19}\end{array}\)

\[\begin{array}{*{20}{c}}{39}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{77}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline7\end{array}\]

\(\begin{array}{*{20}{c}}{65}\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline{39}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{49}\\\hline{39}\end{array}\)

\(\begin{array}{*{20}{c}}{16}\\\hline{69}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{69}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{69}\end{array}\)

\(\begin{array}{*{20}{c}}{61}\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{38}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{27}\\\hline{19}\end{array}\)

\(\begin{array}{*{20}{c}}{43}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{78}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{13}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{65}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline{65}\end{array}\)

\(\begin{array}{*{20}{c}}{91}\\\hline{53}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{53}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{72}\\\hline{53}\end{array}\)

\(\begin{array}{*{20}{c}}{10}\\\hline{109}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{109}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{109}\end{array}\)

\(\begin{array}{*{20}{c}}{77}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{46}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{32}\\\hline{23}\end{array}\)

\[\begin{array}{*{20}{c}}{89}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{52}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{41}\\\hline{26}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{30}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}{59}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline2\end{array}\]

\(\begin{array}{*{20}{c}}{83}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{49}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{68}\\\hline{49}\end{array}\)

Câu 3

\[\begin{array}{*{20}{c}}{21}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{32}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{31}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{48}\\\hline{99}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}9\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{25}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{32}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{34}\\\hline{90}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{39}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}{\rm{  =  }}..........\]

\[\begin{array}{*{20}{c}}{36}\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{37}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{12}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{20}\\\hline{58}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{29}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{27}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{88}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{41}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{20}\\\hline{42}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{16}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{21}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{30}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{14}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{31}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{46}\\\hline{84}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\[\begin{array}{*{20}{c}}{33}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{38}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{36}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{10}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{44}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{50}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{20}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{46}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{38}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{26}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}6\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{43}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{30}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{17}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{36}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{11}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{28}\\\hline{80}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{40}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{32}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}6\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{16}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{20}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{49}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{34}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{34}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{72}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{30}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{26}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{60}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}9\\\hline{57}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{19}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{28}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{31}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{28}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{24}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{24}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{23}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{17}\end{array}{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{32}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{17}\end{array}{\rm{  =  }}........\)

\[\begin{array}{*{20}{c}}{33}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{42}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{12}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{12}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{45}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{32}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{45}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{50}\\\hline{118}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{59}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{28}\\\hline{133}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{19}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{42}\\\hline{93}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{31}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{20}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{13}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{56}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{27}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{34}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{46}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{17}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{16}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{21}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{46}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{44}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{13}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{36}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}{\rm{  =  }}........\)

\(\begin{array}{*{20}{c}}{39}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{88}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{35}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{19}\end{array}{\rm{  =  }}.........\)

Lời giải

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Câu 4

\(5{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{13}\\\hline4\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}............\)

\(8{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}............{\rm{ }}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}............{\rm{ }}\)

\(4{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{  =  }}............{\rm{ }}\)

\(\begin{array}{*{20}{c}}{43}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}..........\)

\(7{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{  =  }}..........\)

\(9{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{22}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}............\]

\(14{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{43}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}..........\)

\(10{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{  =  }}............{\rm{ }}\)

\(\begin{array}{*{20}{c}}{17}\\\hline8\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{33}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}............\)

\(5{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[17{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}..........\]

\(8{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{39}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}............\)

\(2{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{39}\end{array}{\rm{ }} - {\rm{ 1  =  }}............\)

\(2{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{19}\\\hline7\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{47}\\\hline{14}\end{array}{\rm{ }} - {\rm{ 3  =  }}..........\)

\(4{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{40}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}............{\rm{ }}\)

\({\rm{7 }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{46}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}............{\rm{ }}\)

\[9{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{  =  }}...........\]

\[\begin{array}{*{20}{c}}{21}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}..........{\rm{ }}\]

\(1{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{37}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}............{\rm{ }}\)

\[15{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{  =  }}............\]

\(\begin{array}{*{20}{c}}{29}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}............\)

\(\begin{array}{*{20}{c}}{35}\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}..........\)

\(2{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(3{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{10}\end{array}{\rm{  =  }}..........\)

\[1{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}............{\rm{ }}\]

\(\begin{array}{*{20}{c}}{22}\\\hline9\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}.........\)

\(\begin{array}{*{20}{c}}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ 2  =  }}..........\)

\(\begin{array}{*{20}{c}}{29}\\\hline8\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}............\)

\({\rm{8 }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{  =  }}............{\rm{ }}\)

\[9{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}..........\)

\(10{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}..........\)

\(4{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}..........\)

\(12{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{19}\\\hline8\end{array}{\rm{ }} - {\rm{ }}1{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{29}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}..........{\rm{ }}\)

\(16{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}..........\)

\(6{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{39}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}..........\)

\[13{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}............\]

\(8{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{  =  }}............\)

\({\rm{11 }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}..........\)

\({\rm{6 }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{  =  }}............{\rm{ }}\)

\(5{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{11}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{19}\\\hline5\end{array}{\rm{ }} - {\rm{ }}3{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{11}\\\hline3\end{array}{\rm{ }} - {\rm{ }}2{\rm{  =  }}..........\)

\({\rm{7 }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}..........\)

Lời giải

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Câu 5

\(\begin{array}{*{20}{c}}{23}\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline2\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}{46}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{45}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}{33}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{46}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{17}\end{array}{\rm{  =  }}..........\]

\[\begin{array}{*{20}{c}}{43}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline2\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{37}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{37}\\\hline{99}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{33}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{29}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline4\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{37}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{17}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\[\begin{array}{*{20}{c}}{49}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{42}\end{array}{\rm{  =  }}........\]

\(\begin{array}{*{20}{c}}{45}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{37}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline3\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}5\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{13}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{13}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{41}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline5\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{49}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline3\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{32}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{67}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{20}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{84}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{35}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{31}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{23}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{22}\\\hline{75}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\[\begin{array}{*{20}{c}}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{96}\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}{37}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{44}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline5\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{45}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{43}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{  =  }}..........{\rm{ }}\]

\(\begin{array}{*{20}{c}}3\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{  =  }}..........{\rm{ }}\)

\(\begin{array}{*{20}{c}}{89}\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{48}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{23}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{29}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{33}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{39}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline7\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{41}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{37}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}...........\)

\(\begin{array}{*{20}{c}}{33}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{135}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline{45}\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{47}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{23}\\\hline{144}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{47}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}..........\)

\[\begin{array}{*{20}{c}}{19}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{36}\end{array}{\rm{  =  }}..........\]

\(\begin{array}{*{20}{c}}{29}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{35}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{39}\\\hline{100}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{50}\end{array}{\rm{  =  }}.........\)

\[\begin{array}{*{20}{c}}{23}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}{\rm{  =  }}.........\]

\(\begin{array}{*{20}{c}}{19}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{40}\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{45}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline7\end{array}{\rm{  =  }}..........\)

\(\begin{array}{*{20}{c}}{49}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{13}\end{array}{\rm{  =  }}.........\)

Lời giải

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