实数a,b满足
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999bf78b60fae5d02d2d744263f382a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124df5d3827c724a503e0326e462547f.png)
A.2 | B.![]() | C.-6 | D.![]() |
更新时间:2023-03-24 13:16:24
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A.![]() | B.1 | C.2 | D.3 |
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