如果|2x-1|+(x+y+1)^2=0,则1⼀y-x⼀2的值是___

2025-05-12 03:11:35
推荐回答(1个)
回答1:

2x-1=0,,,,,x=1/2
x+y+1=0,,,,y=-3/2
y-x/2=-1
1/y-x/2=-1