Bài tập Toán lớp 4 Tính giá trị biểu thức với phân số có đáp án

\(\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline{35}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline6\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{20}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline{20}\end{array}\]

\(\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{ + }}\begin{array}{*{20}{c}}{25}\\\hline{27}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{37}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{24}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{24}\end{array}\)

\[\begin{array}{*{20}{c}}{11}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{67}\\\hline{72}\end{array}\]

\(\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{42}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}5\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{30}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}2\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{16}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{24}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{35}\\\hline{48}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline6\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{36}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{28}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}\]

\(\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}0\)

\(\begin{array}{*{20}{c}}{19}\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{16}\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{43}\\\hline{72}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{21}\end{array}{\rm{ + }}\begin{array}{*{20}{c}}1\\\hline{42}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{14}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{70}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}5\\\hline{21}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}5\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{25}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}7\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{21}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline4\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}9\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{36}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}8\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}2\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{20}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}8\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{16}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{14}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline7\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{ = 1}}\)

\(\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline9\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{16}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}{12}\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{48}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{13}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{31}\\\hline{56}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{61}\\\hline{90}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{59}\\\hline{90}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}4\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{23}\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{18}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{16}\\\hline{21}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{41}\\\hline{48}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}8\\\hline{21}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{47}\\\hline{35}\end{array}\)

\(\begin{array}{*{20}{c}}{10}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{49}\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{18}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{23}\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{17}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{37}\\\hline{51}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{27}\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{36}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = 1}}\)

\(\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{11}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{28}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{162}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}2\\\hline{105}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}7\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{15}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{23}\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{20}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{53}\\\hline{56}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{16}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}\]

\(\begin{array}{*{20}{c}}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{77}\\\hline{60}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{32}\\\hline{77}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{26}\\\hline{95}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{31}\\\hline{60}\end{array}\)

\(\begin{array}{*{20}{c}}{14}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}18{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}{14}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{64}\\\hline{95}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{22}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{13}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{52}\\\hline{45}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}6\\\hline{13}\end{array}\)

\[\left( {\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}5\\\hline8\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}2\\\hline{21}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{16}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{77}\\\hline{60}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{48}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{70}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{57}\\\hline{70}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{217}\\\hline{96}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{68}\\\hline{105}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{55}\\\hline{48}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{31}\\\hline{108}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{84}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{51}\\\hline{40}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{15}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{25}\\\hline{54}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}8\\\hline{35}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\]

\[\left( {\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{32}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{40}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{15}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{85}\\\hline{189}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline7\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{49}\\\hline{360}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{29}\\\hline{100}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}4\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{65}\\\hline{198}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{125}\\\hline{378}\end{array}\]

\[\left( {\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}\]