1.8x0.25-0.25简便算法

2025-04-16 17:44:42
推荐回答(4个)
回答1:

0.25*(1.8-1)=0.25*0.8=0.25*0.4*2=0.2

回答2:

2×0.25-0.05-0.25

回答3:

(1.8-1)0.25=0.2

回答4: