3又5分之3乘以25又5分之2+37.9乘以6又5分之2 怎么简便计算

2025-04-29 18:35:29
推荐回答(1个)
回答1:

18/5*127/5+37.9*32/5
=1/5(18+127+37.9*32)
=1/5*1357.8=271.56