25乘以百分之75加38乘以0.75加4分之3乘以37用简便计算计算

25乘以百分之75加38乘以0.75加4分之3乘以37用简便计算计算
2025-04-05 14:16:01
推荐回答(1个)
回答1:

25×75%+38×0.75+3/4×37
=25×0.75+38×0.75+0.75×37
=0.75×(25+38+37)
=0.75×100
=75