Đặt tính rồi tính. 46 × 2 13 × 7 29 × 3
Giải thích
Lời giải
\[\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{46}\\{\,\,\,2}\end{array}} \\\,\,\,92\end{array}\]\[\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{13}\\{\,\,7}\end{array}} \\\,\,\,91\end{array}\]\[\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{29}\\{\,\,3}\end{array}} \\\,\,\,87\end{array}\]