1.25×3.2×2.5等于简便计算?

2025-02-02 03:32:24
推荐回答(1个)
回答1:

答:
1.25×3.2×2.5
=1.25x(0.8x4)x2.5
=(1.25x0.8)x(4x2.5)
=1x10
=10
望采纳