Đặt tính rồi tính: (2 điểm)
Giải thích
Đặt tính rồi tính:
\[\begin{array}{l} + \begin{array}{*{20}{l}}{348\,\,\,015}\\{{\rm{ 25}}\,\,\,{\rm{235 }}}\hline\end{array}\\{\rm{ }}\,{\rm{373}}\,\,\,{\rm{250}}\end{array}\] | \[\begin{array}{l} - \begin{array}{*{20}{l}}{{\rm{ 8}}{\rm{,452}}}\\{{\rm{ 3}}{\rm{,6 }}}\hline\end{array}\\{\rm{ 4}}{\rm{,852}}\end{array}\] | \[\begin{array}{l} \times \begin{array}{*{20}{l}}{{\rm{ 3}}{\rm{,14}}}\\{{\rm{ 15 }}}\hline\end{array}\\{\rm{ 1}}\,{\rm{5}}\,\,\,{\rm{70}}\\{\rm{ }}\underline {{\rm{ 31}}\,\,{\rm{4 }}} \\{\rm{ 47}}{\rm{,10}}\end{array}\] | 88,64 : 3,2 |