3.75*6.3+37.5*0.37怎么简便计算

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3.75*6.3+37.5*0.37怎么简便计算

3.75*6.3+37.5*0.37怎么简便计算
3.75*6.3+37.5*0.37怎么简便计算

3.75*6.3+37.5*0.37怎么简便计算
3.75*6.3+37.5*0.37
=37.5*0.63+37.5*0.37
=37.5*(0.63+0.37)
=37.5*1
=37.5

3.75*6.3+37.5*0.37=37.5*0.63+37.5*0.37=37.5*(0.63+0.37)=37.5

上式=3.75*6.3=3.75*3.7 提取得3.75*10=37.5

3.75*6.3+3.75*3.7=3.75*10=37.5