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1 . 已知集合
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f085690e0f931595c00a4f5a5165c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fd4bc85b92fbd119a3a04ba0f5aeab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
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2020-12-04更新
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2卷引用:陕西省西安市铁一中学2022-2023学年高一上学期第一次月考数学试题