(x+2)2+|2y-1|=0,则x-y=______.
若|x-y+2|与(x+y-1)2互为相反数,则x=______,y=______.
已知(x+y+2)2+|2x-3y-1|=0,则x+y=______.
若3x-4y=0,则x/y=______,(x-y)/y=______,(3x+2y)/(2x+3y)=_____.
若|3x-y-7|+(5x+2y-8)2=0,则x-y=______.
如果|x-2y+1|+|2x-y-5|=0,则x+y的值是______.
已知(x-3)2+|2x-3y+6|=0,则x=______,y=______.
已知y=x-1,则(x-y)2+(y-x)+1的值为______.
若(x-2y+1)2+|x+2y-3|=0,则x=______,y=______.
已知|x+3|+(x+2y-1)2=0,则x+y=______.
若|x+3|+(y-2)2=0,则x-2y=______.
若|y+2|+(x+5)2=0,则x-y=______.
已知|x-3|+(y+2)2=0,则x+y=______.