2-5×1.7×0.4用简便计算。

2025-04-07 08:00:32
推荐回答(4个)
回答1:


回答2:

2.5×1.7×0.4
=2.5×0.4×1.7
=1×1.7
=1.7

回答3:

2.5*1.7*0.4=2.5*0.4*1.7=1*1.7=1.7

回答4:

2-5*0.4*1.7