6.4×1.25×2.5×1.3的简便计算

2025-03-13 03:47:41
推荐回答(2个)
回答1:

=(8×1.25)×(0.8×2.5)×1.3
=10×2×1.3
=26

回答2:

8x0.8×1.25×2.5×1.3=0.8×1.25x8x2.5×1.3=1x20x1.3=26