X-1/4X=39 方程
问题描述:
X-1/4X=39 方程
答
X-1/4X=39
(1-1/4)x=39
3/4X=39
X=39*4/3
X=52
答
(1-1/4)X=39
3/4X=39
X=39÷3/4
X=52
答
X-1/4X=39
3/4X=39
X=39*4/3
X=52