已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e5b494693ecc99d8605d3a222c6639.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3e839f6d6cdfb99187f3b871519e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7d82c111a5e34566e191e984be21b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e5b494693ecc99d8605d3a222c6639.png)
更新时间:2020-06-04 07:51:16
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名校
【推荐1】已知集合
,
.若
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______ ;令
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解题方法
【推荐2】已知全集为
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,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca27af11b105c39a1cfa300930e8bc2.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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您最近一年使用:0次