已知a,b,c满足
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e2eba2e25be62e593fa03dd4dc32eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55088387b7515a12bd834078ed0db3be.png)
A.![]() | B.![]() | C.1 | D.2 |
更新时间:2018-04-16 19:11:57
|
A.![]() | B.![]() | C.1 | D.2 |