8.88×3.7×1.25脱式计算,能简便简便

8.88×3.7×1.25脱式计算,能简便简便急急急
2024-11-22 08:59:35
推荐回答(2个)
回答1:

8.88×3.7×1.25
=1.11×3.7×8×1.25
=1.11×3.7×10
=11.1×3.7
=(10+1.1)×3.7
=37+0.37
=37.37

回答2:

8.88×3.7×1.25
=8x1.11x3.7x1.25
=(8x1.25)x1.11x(4-0.3)
=10x1.11x4-10x1.11x0.3
=44.4-3.33
=41.07