名校
解题方法
1 . 已知集合
,若
且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24d8d2066c889853be7edf105407ce1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8175dc086640a31fd4291f7e113814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93ea558eaffc36d5c6da5c0725a9ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.2 | B.![]() | C.![]() | D.1 |
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A.2 | B.![]() | C.![]() | D.1 |