圆C1:x^2+y^2=4,C2:x^2+y^2-2x-4y+4=0

圆C1:x^2+y^2=4,C2:x^2+y^2-2x-4y+4=0 已知圆C1:x²+y²-2y=4,C2:x²+y²+2x=0 已知圆C1：x^2+y^2-2x-4y-4=0,圆C2：x^2+y^2-8x+4y+4=0 已知圆C1：x^2+y^2-4x-2y-5=0与圆C2:x^2+y^2-6x-y-9=0, 圆C1:x²+y²+2x+8y-8=0 圆C2:x²+y²-4x-4y-2=0 已知圆C1:x²+y²+2x+8y-8=0,圆C2：x²+y²-4x-4y-2= 求过圆C1:x²+y²+4x+y+1=0与圆C2:x²+y²+2x+2y+1=0 【数学】两个圆C1：x²+y²+2x+2y-2=0与C2：x²+y²-4x-2y 已知圆C1：x²+y²-4x-2y-5=0与圆C2：x²+y²-6x-y-9=0 已知圆C1：x²+y²-4x-2y-5=0与圆C2：x²+y²-6x-y=0 求 ·已知两圆C1:x^2+y^2=4,C2:x^2+y^2-2x-4y+4=0,L:x+2y=0,求经过圆C1和C2的交点 已知两圆C1:x^2+y^2=4,C2:x^2+y^2-2x-4y+4=0,L:x+2y=0,求经过圆C1和C2的交点且