1.25×3.2×0.25用简便计算

2024-12-27 00:21:20
推荐回答(3个)
回答1:

1.25×3.2×0.25用简便计算
=1.25x4x0.8x0.25
=(1.25x0.8)x(4x0.25)
=1x1
=1

回答2:


1

回答3:

1.25×3.2×0.25
=1.25×(0.8×4)×0.25
=(1.25×0.8)×(4×0.25)
=1×1
=1