|2x-1|=-|3y-6| 则(xy)=
问题描述:
|2x-1|=-|3y-6| 则(xy)=
答
|2x-1|=-|3y-6|
|2x-1|+|3y-6| =0
2x-1=0, 3y-6=0
x=½, y=2
xy=1