由(1)得(x/2+y)²=(1/2)²∴x/2+y=1/2 x/2+y=-1/2由(2)得(x+y-6)(x+y+2)=0∴x+y-6=0 x+y+2=0∴x/2+y=1/2 x/2+y=1/2 x/2+y=-1/2 x/2+y=-1/2x+y-6=0 x+y+2=0 x+y-6=0 x+y+2=0∴x=11 x= -5 x=13 x=-3y=-5 y=3 y...刚刚那提第一个分解错了把是的(x-4y)(x+y)=0x=4y x=-y