0.2×1.25×0.025×0.85×40×3用简便计算

2025-04-07 07:52:49
推荐回答(1个)
回答1:

0.2×1.25×0.025×0.85×40×3
=(0.2×1.25)×(0.025×40)×(0.85×3)
=0.25×1×2.55
=0.25×2.55
=0.6375