41*0.25-0.25+0.25*60 简便计算

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41*0.25-0.25+0.25*60 简便计算
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41*0.25-0.25+0.25*60 简便计算
41*0.25-0.25+0.25*60 简便计算

41*0.25-0.25+0.25*60 简便计算
41×0.25-0.25+0.25×60
=0.25×﹙41-1+60﹚
=0.25×100
=25

41*0.25-0.25+0.25*60=0.25(41-1+60)=25

=(41-1+60)*0.25=100*0.25=25

原式=0.25*(41-1+60)=0.25*100=25

41*0.25-0.25+0.25*60
=0.25(41-1+60)
=0.25x100
=25