两圆
与
相切,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555b3f0f1fa800a03de11718a666bdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1114fc43fea0c53b841f3f0d4ef943d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
更新时间:2023-08-22 15:37:25
|
【知识点】 由圆的位置关系确定参数或范围