已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a59b41f01f1ec8e8d9c7c0aec7d8a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-02-06 05:47:09
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解题方法
【推荐1】已知集合
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e301a893b4e5f9ed35fd913db9c32c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f92b21e4640d62f21ec117bdca260b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.{-1,0,1} | B.{0,1} | C.{-1,1,2} | D.{1,2} |
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