1.25*67.875+1250*0.032125 简便计算

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1.25*67.875+1250*0.032125简便计算1.25*67.875+1250*0.032125简便计算1.25*67.875+1250*0.032125简便计算1.25*67.875+1

1.25*67.875+1250*0.032125 简便计算
1.25*67.875+1250*0.032125 简便计算

1.25*67.875+1250*0.032125 简便计算
1.25*67.875+1.25*32.125
=1.25*(67.875+32.125)
=1.25*100
=125

1.25扩大1000倍,67.875缩小1000倍,然后用乘法分配率

1.25*67.875+1250*0.032125
=1.25*67.875+1.25*32.125
=1.25*(67.875+32.125)
=1.25*100
=125