7.25*67.875+725*0.7875+7250*0.053375用什么简便方法权

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7.25*67.875+725*0.7875+7250*0.053375用什么简便方法权
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7.25*67.875+725*0.7875+7250*0.053375用什么简便方法权
7.25*67.875+725*0.7875+7250*0.053375用什么简便方法权

7.25*67.875+725*0.7875+7250*0.053375用什么简便方法权
7.25*67.875+725*0.7875+7250*0.053375
=7.25*67.875+7.25*78.75+7.25*53.375
=7.25*(67.875+78.75+53.375)
=7.25*(67.875+53.375+78.75)
=7.25*(121.25+78.75)
=7.25*200
=1450