Đặt tính rồi tính. 36 724 – 3 291      637 891 – 412 520   895 332 – 282 429

Trả lời

$\begin{array}{l}-\begin{array}{l}\text{ 36 724}\\ \text{ 3 291 }\end{array}\\ \text{ 33 433 }\end{array}$         $\begin{array}{l}-\begin{array}{l}\text{ 637 891}\\ \text{ 412 520 }\end{array}\\ \text{ 225 371 }\end{array}$       $\begin{array}{l}-\begin{array}{l}\text{ 895 332}\\ \text{ 282 429 }\end{array}\\ \text{ 612 903 }\end{array}$