5.7*3.91+4.3*3.91简易计算

2025-06-29 13:26:38
推荐回答(2个)
回答1:

5.7*3.91+4.3*3.91
解:运用乘法分配律
=(5.7+4.3)x3.91
=10x3.91
=39.1
祝学习进步。

回答2:

(5.7+4.3)*3.91
=10*3.91
=39.1