7.25乘67.88加725乘0.7875加7250乘0.05337的简便运算

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7.25乘67.88加725乘0.7875加7250乘0.05337的简便运算
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7.25乘67.88加725乘0.7875加7250乘0.05337的简便运算
7.25乘67.88加725乘0.7875加7250乘0.05337的简便运算

7.25乘67.88加725乘0.7875加7250乘0.05337的简便运算
7.25乘67.88加725乘0.7875加7250乘0.05337
=7.25*67.88+7.25*78.75+7.25+53.37
=7.25*(67.88+78.75+53.37)
=7.25*200
=1450

7.25*67.88+725*0.7875+7250*0.05337
=725*0.6788+725*0.7875+725*0.5337
=725*(0.6788+0.7875+0.5337)
=725*2
=1450