解方程,3/4X+1/2X=9/4
问题描述:
解方程,3/4X+1/2X=9/4
答
3/4X+2/4X=9/4
5/4X=9/4
5X=9
X=9/5
解方程,3/4X+1/2X=9/4
3/4X+2/4X=9/4
5/4X=9/4
5X=9
X=9/5