已知集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbd0b8c525266f12cd98d1b5292276f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659a0ed6eb753b2f1b613d567ee9f4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
更新时间:2017-02-08 10:06:40
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【推荐1】已知集合
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【推荐2】已知集合
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【推荐1】已知全集
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解题方法
【推荐2】设全集为R,集合
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