十点一五减六点二五减三点七五加七点八五,怎么简便计算?

2024-12-15 00:31:03
推荐回答(1个)
回答1:

10.15-6.25-3.75+7.85
=(10.15+7.85)-(6.25+3.75)
=18-10
=8