设圆心坐标(x,y),得方程r^2=(x-2)^2+(y-2)^2=(x-5)^2+(y-3)^2=(x-6)^2+y^2
化简得3(2x-7)=5-2y 2x-8=y-1
x=4,y=1
r^2=5
所以圆的方程为(x-4)^2+(y-1)^2=5
设圆心坐标(x,y),得方程r^2=(x-2)^2+(y-2)^2=(x-5)^2+(y-3)^2=(x-6)^2+y^2
化简得3(2x-7)=5-2y 2x-8=y-1
x=4,y=1
r^2=5
所以圆的方程为(x-4)^2+(y-1)^2=5