1.25×0.25×0.05×64简便算法

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1.25×0.25×0.05×64简便算法

1.25×0.25×0.05×64简便算法
1.25×0.25×0.05×64简便算法

1.25×0.25×0.05×64简便算法
1.25×0.25×0.05×64
=1.25×0.25×0.05×8×4×2
=(1.25×8) ×(0.25×4)×(0.05×2)
=10×1×0.1
=1

=（1.25×8(×(0.25×4)×(0.05×2)
=10×1×0.1
=1

1.25×0.25×0.05×64=5/4×1/4×1/20×64=5/16×64×1/20=5/4×1/20=1/16

原式=1.25×0.25×0.05×8×8
=1.25×8×0.05×0.25×8
=1.25×8×0.1
=1

0

1.25×0.25×0.05×64
=﹙1.25×8﹚×﹙0.25×4﹚×﹙0.05×2﹚
=10×1×0.1
=1

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