3.75乘4.23乘36-125乘0.432乘2.8的巧算

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3.75乘4.23乘36-125乘0.432乘2.8的巧算
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3.75乘4.23乘36-125乘0.432乘2.8的巧算
3.75乘4.23乘36-125乘0.432乘2.8的巧算

3.75乘4.23乘36-125乘0.432乘2.8的巧算
3.75乘4.23乘36-125乘0.432乘2.8
=15/4x36x4.32-12.5x2.8x4.32
=15x9x4.32-25/2x14/5x4.32
=(135-35)x4.32
=100x4.32
=432

3.75乘4.23乘36-125乘0.432乘2.8
=1.25x4.23x108-125x4.32x28
=4.23x1.25x(108-28)
=4.23x1.25x80
=4.23x100
=423