Question

173乘以57加12乘以57减85乘以57用简便方式怎么算？

怎么算

Answer 1

简便计算
173x57+12x57-85x57
=（173+12-85）x57
=100x57
=5700

Answer 2

根据题意列式如下。
173×57+12×57-85×57
＝(173+12-85)×57
=(185-85)×57
＝100×57
＝5700