Câu hỏi:
16/05/2025 10
\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,6}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{61}\\{\,\,7}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{73}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{83}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{33}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{53}\\{\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{74}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{13}\\{\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{76}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{11}\\{\,\,8}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,\,5}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{77}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{44}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{91}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{34}\\{\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{97}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,2}\end{array}} \)
....
\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,6}\end{array}} \)
....
\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{24}\\{\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{19}\\{\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{93}\\{\,\,\,2}\end{array}} \)
....
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\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,6}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{61}\\{\,\,7}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{73}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{83}\\{\,\,2}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{33}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{53}\\{\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{74}\\{\,\,2}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{13}\\{\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{76}\\{\,\,\,1}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{11}\\{\,\,8}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,\,5}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{77}\\{\,\,\,1}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{44}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{91}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,\,2}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{34}\\{\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{97}\\{\,\,\,1}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,6}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{24}\\{\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{19}\\{\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{93}\\{\,\,\,2}\end{array}} \) .... |
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Trả lời:
Giải bởi Vietjack
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\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \\\,\,28\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,4}\end{array}} \\\,\,\,84\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,2}\end{array}} \\\,\,\,64\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,2}\end{array}} \\\,\,\,82\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,2}\end{array}} \\\,104\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,3}\end{array}} \\186\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \\\,142\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,2}\end{array}} \\\,\,46\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,6}\end{array}} \\186\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,2}\end{array}} \\\,\,\,84\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,2}\end{array}} \\108\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{61}\\{\,\,7}\end{array}} \\427\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{73}\\{\,\,2}\end{array}} \\\,146\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{83}\\{\,\,2}\end{array}} \\166\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,3}\end{array}} \\\,\,36\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,4}\end{array}} \\\,\,\,88\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{33}\\{\,\,2}\end{array}} \\\,\,\,66\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,2}\end{array}} \\\,\,\,86\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{53}\\{\,\,3}\end{array}} \\159\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,2}\end{array}} \\128\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{74}\\{\,\,2}\end{array}} \\148\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{13}\\{\,\,3}\end{array}} \\\,\,39\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{22}\\{\,\,3}\end{array}} \\\,\,\,66\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{32}\\{\,\,4}\end{array}} \\128\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{42}\\{\,\,\,3}\end{array}} \\\,126\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,4}\end{array}} \\208\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \\\,128\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{76}\\{\,\,\,1}\end{array}} \\\,\,\,76\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{11}\\{\,\,8}\end{array}} \\\,\,\,88\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,2}\end{array}} \\\,\,\,42\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,4}\end{array}} \\\,124\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{41}\\{\,\,\,5}\end{array}} \\\,205\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,3}\end{array}} \\\,156\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{64}\\{\,\,\,2}\end{array}} \\\,128\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{77}\\{\,\,\,1}\end{array}} \\\,\,\,77\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{12}\\{\,\,\,4}\end{array}} \\\,\,\,48\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{23}\\{\,\,\,3}\end{array}} \\\,\,\,69\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{31}\\{\,\,\,3}\end{array}} \\\,\,\,93\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{44}\\{\,\,\,2}\end{array}} \\\,\,\,\,88\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{54}\\{\,\,\,1}\end{array}} \\\,\,\,54\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{91}\\{\,\,\,3}\end{array}} \\\,273\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{43}\\{\,\,\,2}\end{array}} \\\,\,\,\,86\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,2}\end{array}} \\\,\,\,28\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,4}\end{array}} \\\,288\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{72}\\{\,\,\,3}\end{array}} \\\,216\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{34}\\{\,\,2}\end{array}} \\\,\,\,68\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{71}\\{\,\,\,2}\end{array}} \\\,142\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,2}\end{array}} \\\,124\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{97}\\{\,\,\,1}\end{array}} \\\,\,\,97\end{array}\) |
|
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{62}\\{\,\,\,4}\end{array}} \\\,248\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{52}\\{\,\,\,2}\end{array}} \\\,104\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{21}\\{\,\,\,6}\end{array}} \\\,126\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{14}\\{\,\,\,1}\end{array}} \\\,\,\,\,14\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{24}\\{\,\,\,2}\end{array}} \\\,\,\,\,48\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{19}\\{\,\,\,1}\end{array}} \\\,\,\,\,19\end{array}\) |
\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{93}\\{\,\,\,2}\end{array}} \\\,186\end{array}\) |
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Sách thầy cô Vietjack biên soạn:
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
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\(\underline { \times \begin{array}{*{20}{c}}{321}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{411}\\{\,\,\,\,\,\,6}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{111}\\{\,\,\,\,\,\,7}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{222}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{333}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{444}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{132}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{231}\\{\,\,\,\,\,\,5}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{432}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{121}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{212}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{313}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{424}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{211}\\{\,\,\,\,\,\,5}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{999}\\{\,\,\,\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{323}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{531}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{222}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{394}\\{\,\,\,\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{625}\\{\,\,\,\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{621}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{525}\\{\,\,\,\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{642}\\{\,\,\,\,\,\,0}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{424}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{531}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{646}\\{\,\,\,\,\,\,1}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{521}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{122}\\{\,\,\,\,\,\,4}\end{array}} \)
....
\(\underline { \times \begin{array}{*{20}{c}}{211}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{322}\\{\,\,\,\,\,\,3}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{221}\\{\,\,\,\,\,\,4}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{111}\\{\,\,\,\,\,\,9}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{341}\\{\,\,\,\,\,\,2}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{411}\\{\,\,\,\,\,\,7}\end{array}} \)
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\(\underline { \times \begin{array}{*{20}{c}}{123}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{321}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{411}\\{\,\,\,\,\,\,6}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{111}\\{\,\,\,\,\,\,7}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{222}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{333}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{444}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
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\(\underline { \times \begin{array}{*{20}{c}}{132}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{231}\\{\,\,\,\,\,\,5}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{432}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{121}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{212}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{313}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{424}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
|
\(\underline { \times \begin{array}{*{20}{c}}{211}\\{\,\,\,\,\,\,5}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{999}\\{\,\,\,\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{323}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{531}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{222}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{394}\\{\,\,\,\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{625}\\{\,\,\,\,\,\,1}\end{array}} \) .... |
|
\(\underline { \times \begin{array}{*{20}{c}}{621}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{525}\\{\,\,\,\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{642}\\{\,\,\,\,\,\,0}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{424}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{531}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{646}\\{\,\,\,\,\,\,1}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{521}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
|
\(\underline { \times \begin{array}{*{20}{c}}{122}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{211}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{322}\\{\,\,\,\,\,\,3}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{221}\\{\,\,\,\,\,\,4}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{111}\\{\,\,\,\,\,\,9}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{341}\\{\,\,\,\,\,\,2}\end{array}} \) .... |
\(\underline { \times \begin{array}{*{20}{c}}{411}\\{\,\,\,\,\,\,7}\end{array}} \) .... |
Xem đáp án »
16/05/2025
12
Câu 2:
12 × 2 =.....
13 × 3 =.....
21 × 3 =.....
14 × 2 =.....
31 × 2 =.....
22 × 3 =.....
11 × 4 =.....
32 × 2 =.....
24 × 2 =.....
33 × 2 =.....
13 × 2 =.....
21 × 2 =.....
23 × 3 =.....
23 × 3 =.....
12 × 4 =.....
31 × 3 =.....
32 × 3 =.....
11 × 2 =.....
32 × 2 =.....
13 × 3 =.....
21 × 4 =.....
12 × 3 =.....
21 × 3 =.....
23 × 2 =.....
22 × 4 =.....
33 × 3 =.....
11 × 3 =.....
24 × 2 =.....
|
12 × 2 =..... |
13 × 3 =..... |
21 × 3 =..... |
14 × 2 =..... |
|
31 × 2 =..... |
22 × 3 =..... |
11 × 4 =..... |
32 × 2 =..... |
|
24 × 2 =..... |
33 × 2 =..... |
13 × 2 =..... |
21 × 2 =..... |
|
23 × 3 =..... |
23 × 3 =..... |
12 × 4 =..... |
31 × 3 =..... |
|
32 × 3 =..... |
11 × 2 =..... |
32 × 2 =..... |
13 × 3 =..... |
|
21 × 4 =..... |
12 × 3 =..... |
21 × 3 =..... |
23 × 2 =..... |
|
22 × 4 =..... |
33 × 3 =..... |
11 × 3 =..... |
24 × 2 =..... |
Xem đáp án »
16/05/2025
9
Câu 3:
221 × 3 =.....
225 × 1 =.....
212 × 3 =.....
144 × 2 =.....
234 × 2 =.....
324 × 2 =.....
432 × 2 =.....
213 × 3 =.....
342 × 2 =.....
221 × 4 =.....
222 × 3 =.....
333 × 2 =.....
233 × 3 =.....
321 × 3 =.....
312 × 3 =.....
423 × 2 =.....
244 × 2 =.....
135 × 1 =.....
343 × 2 =.....
231 × 3 =.....
223 × 2 =.....
242 × 2 =.....
414 × 2 =.....
441 × 2 =.....
341 × 2 =.....
444 × 2 =.....
433 × 2 =.....
424 × 2 =.....
|
221 × 3 =..... |
225 × 1 =..... |
212 × 3 =..... |
144 × 2 =..... |
|
234 × 2 =..... |
324 × 2 =..... |
432 × 2 =..... |
213 × 3 =..... |
|
342 × 2 =..... |
221 × 4 =..... |
222 × 3 =..... |
333 × 2 =..... |
|
233 × 3 =..... |
321 × 3 =..... |
312 × 3 =..... |
423 × 2 =..... |
|
244 × 2 =..... |
135 × 1 =..... |
343 × 2 =..... |
231 × 3 =..... |
|
223 × 2 =..... |
242 × 2 =..... |
414 × 2 =..... |
441 × 2 =..... |
|
341 × 2 =..... |
444 × 2 =..... |
433 × 2 =..... |
424 × 2 =..... |
Xem đáp án »
16/05/2025
9
Câu 4:
123 × 2 =.....
12 × 1 =.....
231 × 3 =.....
21 × 4 =.....
312 × 2 =.....
22 × 3 =.....
132 × 3 =.....
11 × 2 =.....
243 × 2 =.....
33 × 2 =.....
111 × 4 =.....
23 × 2 =.....
321 × 2 =.....
12 × 3 =.....
142 × 3 =.....
31 × 3 =.....
213 × 2 =.....
13 × 1 =.....
122 × 2 =.....
24 × 0 =.....
141 × 2 =.....
32 × 2 =.....
112 × 3 =.....
23 × 3 =.....
311 × 2 =.....
12 × 4 =.....
232 × 2 =.....
21 × 2 =.....
131 × 3 =.....
14 × 2 =.....
322 × 2 =.....
11 × 3 =.....
143 × 2 =.....
22 × 2 =.....
121 × 4 =.....
13 × 2 =.....
212 × 3 =.....
31 × 2 =.....
113 × 3 =.....
24 × 2 =.....
221 × 2 =.....
14 × 1 =.....
132 × 2 =.....
33 × 3 =.....
211 × 3 =.....
11 × 4 =.....
321 × 3 =.....
23 × 0 =.....
142 × 2 =.....
12 × 2 =.....
241 × 2 =.....
13 × 3 =.....
122 × 3 =.....
32 × 3 =.....
111 × 2 =.....
|
123 × 2 =..... |
12 × 1 =..... |
231 × 3 =..... |
21 × 4 =..... |
312 × 2 =..... |
|
22 × 3 =..... |
132 × 3 =..... |
11 × 2 =..... |
243 × 2 =..... |
33 × 2 =..... |
|
111 × 4 =..... |
23 × 2 =..... |
321 × 2 =..... |
12 × 3 =..... |
142 × 3 =..... |
|
31 × 3 =..... |
213 × 2 =..... |
13 × 1 =..... |
122 × 2 =..... |
24 × 0 =..... |
|
141 × 2 =..... |
32 × 2 =..... |
112 × 3 =..... |
23 × 3 =..... |
311 × 2 =..... |
|
12 × 4 =..... |
232 × 2 =..... |
21 × 2 =..... |
131 × 3 =..... |
14 × 2 =..... |
|
322 × 2 =..... |
11 × 3 =..... |
143 × 2 =..... |
22 × 2 =..... |
121 × 4 =..... |
|
13 × 2 =..... |
212 × 3 =..... |
31 × 2 =..... |
113 × 3 =..... |
24 × 2 =..... |
|
221 × 2 =..... |
14 × 1 =..... |
132 × 2 =..... |
33 × 3 =..... |
211 × 3 =..... |
|
11 × 4 =..... |
321 × 3 =..... |
23 × 0 =..... |
142 × 2 =..... |
12 × 2 =..... |
|
241 × 2 =..... |
13 × 3 =..... |
122 × 3 =..... |
32 × 3 =..... |
111 × 2 =..... |
Xem đáp án »
16/05/2025
9
Câu 5:
1 × 157 =.....
23 × 2 =.....
31 × 2 =.....
44 × 2 =.....
100 × 2 =.....
111 × 2 =.....
222 × 2 =.....
333 × 2 =.....
444 × 2 =.....
13 × 2 =.....
24 × 2 =.....
32 × 2 =.....
43 × 2 =.....
101 × 2 =.....
112 × 2 =.....
223 × 2 =.....
334 × 2 =.....
443 × 2 =.....
12 × 3 =.....
21 × 3 =.....
33 × 3 =.....
100 × 3 =.....
111 × 3 =.....
222 × 3 =.....
333 × 3 =.....
13 × 3 =.....
23 × 3 =.....
11 × 4 =.....
22 × 4 =.....
111 × 4 =.....
222 × 4 =.....
10 × 5 =.....
11 × 6 =.....
11 × 7 =.....
10 × 8 =.....
11 × 9 =.....
|
1 × 157 =..... |
23 × 2 =..... |
31 × 2 =..... |
44 × 2 =..... |
|
100 × 2 =..... |
111 × 2 =..... |
222 × 2 =..... |
333 × 2 =..... |
|
444 × 2 =..... |
13 × 2 =..... |
24 × 2 =..... |
32 × 2 =..... |
|
43 × 2 =..... |
101 × 2 =..... |
112 × 2 =..... |
223 × 2 =..... |
|
334 × 2 =..... |
443 × 2 =..... |
12 × 3 =..... |
21 × 3 =..... |
|
33 × 3 =..... |
100 × 3 =..... |
111 × 3 =..... |
222 × 3 =..... |
|
333 × 3 =..... |
13 × 3 =..... |
23 × 3 =..... |
11 × 4 =..... |
|
22 × 4 =..... |
111 × 4 =..... |
222 × 4 =..... |
10 × 5 =..... |
|
11 × 6 =..... |
11 × 7 =..... |
10 × 8 =..... |
11 × 9 =..... |
Xem đáp án »
16/05/2025
9
Câu 6:
10 × 5 =.....
13 × 3 =.....
11 × 4 =.....
14 × 2 =.....
23 × 2 =.....
21 × 3 =.....
22 × 4 =.....
11 × 5 =.....
31 × 2 =.....
33 × 3 =.....
111 × 4 =.....
100 × 6 =.....
44 × 2 =.....
100 × 7 =.....
111 × 6 =.....
111 × 7 =.....
100 × 8 =.....
111 × 8 =.....
100 × 9 =.....
111 × 9 =.....
|
10 × 5 =..... |
13 × 3 =..... |
11 × 4 =..... |
14 × 2 =..... |
|
23 × 2 =..... |
21 × 3 =..... |
22 × 4 =..... |
11 × 5 =..... |
|
31 × 2 =..... |
33 × 3 =..... |
111 × 4 =..... |
100 × 6 =..... |
|
44 × 2 =..... |
100 × 7 =..... |
111 × 6 =..... |
111 × 7 =..... |
|
100 × 8 =..... |
111 × 8 =..... |
100 × 9 =..... |
111 × 9 =..... |
Xem đáp án »
16/05/2025
9
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