(x-y-5)^2+|x+6y+2|=0,则x-y^2=
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(x-y-5)^2+|x+6y+2|=0,则x-y^2=
(x-y-5)^2+|x+6y+2|=0,则x-y^2=
(x-y-5)^2+|x+6y+2|=0,则x-y^2=
(x-y-5)^2+|x+6y+2|=0
(x-y-5)=0 x+6y+2=0
X=4 Y=-1
X-Y^2=3