385.5-210.5 175用简便计算怎么算?

2024-12-04 22:33:46
推荐回答(3个)
回答1:

385.5-210.5-175
=175-175
=0

回答2:

回答3:

脱式计算
385.5-210.5+ 175
=175+175
=350