1.25×24×0.25 简便

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1.25×24×0.25简便1.25×24×0.25简便1.25×24×0.25简便1.25×24×0.25=1.25×6×4×0.25=(1.25×6)×(4×0.25)=(1.25×2×3)×1=

1.25×24×0.25 简便
1.25×24×0.25 简便

1.25×24×0.25 简便
1.25×24×0.25
=1.25×6×4×0.25
=(1.25×6)×(4×0.25)
=(1.25×2×3)×1
=2.5×3
=7.5

原式=1.25×8×3×0.25=10×0.75=7.5