解方程x/5+(110-x)/4=25
问题描述:
解方程x/5+(110-x)/4=25
答
50,1/5x-1/4x=25-55/2过程呢?1/5x-1/4x=25-110/4,1/20x=-5/21/5x-1/4x=25-110/4,1/20x=-5/2
解方程x/5+(110-x)/4=25
50,1/5x-1/4x=25-55/2过程呢?1/5x-1/4x=25-110/4,1/20x=-5/21/5x-1/4x=25-110/4,1/20x=-5/2