160的75%除以(九分之二与三分之一的和);结果是(216);160*75%/(2/9+1/3)=120/(5/9)=216(160的75%除以九分之二)与三分之一的和;结果是(540又1/3);160*75%/(2/9)+1/3=540+1/3540+1/3
160×75%÷2/9+1/3=540+1/3=3分之1621
160*75%=112112/(2/9+1/3)=201.6