这道题这样算,360×(72+28)=360×100=36000就是这样算!
=36×720+36x280=36X(720+280)=36X1000=36000
360X72+36X280=360X72+360X28=360×(72+28)=360×100=36000
360X72+36X280 =36×720+36×280=36×(720+280)=36×1000=36000