3/2x+2/1x=42怎么解?
问题描述：
3/2x+2/1x=42怎么解?
答
(3/2+2/1)x=42
6/7x=42
x=42÷6/7
x=36错啦信不信由你
3/2x+2/1x=42怎么解?
(3/2+2/1)x=42
6/7x=42
x=42÷6/7
x=36错啦信不信由你