无尽情殇：求两圆的交点坐标,即解方程组x²+y²-2x-3=0 ①x²+y²-4x+2y+3=0 ②①-②,得2x-2y-6=0x-y=3∴x=y+3把x=y+3代入①中,得(y+3)²+y²-2(y+3)-3=0y²+9+6y+y²-2y-6-3=02y&s...