问题:
若两圆相切,且两圆的半径分别是2,3,则这两个圆的圆心距是
A.5
B.1
C.1或5
D.1或4
若两圆相切,且两圆的半径分别是2,3,则这两个圆的圆心距是
A.5
B.1
C.1或5
D.1或4
A.5
B.1
C.1或5
D.1或4
参考答案: