Đặt tính rồi tính:
Giải thích
Đặt tính rồi tính:
\[\begin{array}{l} + \begin{array}{*{20}{l}}{231,125}\\{{\rm{ 80}}{\rm{,006 }}}\hline\end{array}\\{\rm{ 311}}{\rm{,131}}\end{array}\] | \[\begin{array}{l} - \begin{array}{*{20}{l}}{135,77}\\{{\rm{ 26}}{\rm{,832 }}}\hline\end{array}\\{\rm{ 108}}{\rm{,938}}\end{array}\] | \[\begin{array}{l} \times \begin{array}{*{20}{l}}{{\rm{ }}\,{\rm{5}}{\rm{,6}}}\\{{\rm{ }}\,{\rm{3}}{\rm{,2 }}}\hline\end{array}\\{\rm{ 1}}\,\,\,{\rm{1 2}}\\{\rm{ }}\underline {{\rm{16}}\,\,{\rm{8 }}} \\{\rm{ 17}}{\rm{,92}}\end{array}\] |
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