7.8x5.6+2.3x4.4要简便算法,怎么算?

2024-12-14 02:50:31
推荐回答(1个)
回答1:

7.8x5.6+2.3x4.4
=4x(7.8x1.6+2.3x1.1)
=4x(12.48x2.53)
=4x15.01
=60.04

先乘除后加减 直接运算也是可以的