(2+1/3+1+7/12)X+(X-54)*(1+5/6)=716,过程
问题描述:
(2+1/3+1+7/12)X+(X-54)*(1+5/6)=716,过程
答
(2+1/3+1+7/12)X+(X-54)*(1+5/6)=716
(2+1/3+1+7/12)X+X*(1+5/6)-54*(1+5/6)=716
(2+1/3+1+7/12+1+5/6)X=716+54*(1+5/6)
(23/4) X=716+54+45=815
X=815/(23/4)=815* 4/23=141又17/23