175+25×12-85简便计算?

2025-03-28 22:14:43
推荐回答(2个)
回答1:

简便计算
175+25×12-85
=175+25x4x3-85
=175+100x3-85
=175+300-85
=475-75-10
=400-10
=390

回答2:

175+25*12-85
=175+25*(10+2)-85
=175+25*10+25*2-85
=175+250+50-85
=175+300-85
=475-85
=390