5.23×4+4.77÷0.25怎么简便运算
问题描述:
5.23×4+4.77÷0.25怎么简便运算
答
5.23×4+4.77÷0.25
=5.23×4+4.77×4
=(5.23+4.77)×4
=10×4
=40