天猫活动承接页全屏:(48.3*7+48.3)*1.25的简便方法怎么做

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(48.3*7+48.3)*1.25的简便方法怎么做呀

=48.3*8*1.25
=48.3*10
=483
乘法分配率

=48.3*8*1.25=48.3*(8*1.25)=483

48.3*8*1.25=48.3*10=483

原式=48.3*(7+1)*1.25=48.3*(1.25*8)=48.3*10=483

48.3*8*1.25=48.3*10=483