7.6/5.4/1.9*5.4这道题怎么简便
问题描述:
7.6/5.4/1.9*5.4这道题怎么简便
答
7.6/5.4/1.9*5.4
=7.6/5.4*5.4/1.9
=7.6/1.9
=4