3.07-0.19*2-1.62 怎么简便运算
问题描述:
3.07-0.19*2-1.62 怎么简便运算
答
3.07-0.19*2-1.62
=3.07-0.38-1.62
=3.07-(0.38+1.62)
=3.07-2
=1.07