107*5分之3-0.6*49/7怎么简算?

问题描述:

107*5分之3-0.6*49/7怎么简算?

107X3/5一3/5X7=3/5x(|○7一7)=60

107×3/5-0.6×49/7= 107×0.6-0.6×7=0.6×(107-7)=0.6×100=60