设全集为
,集合
,集合
.
(Ⅰ)求
;
(Ⅱ)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4001e4ae38d61e99fe6cbeb9422af40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961bbe18be8e4ae12221e40d25c0b7d7.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed8347237ce1cccefd2eee45f4950f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-02-21 14:50:59
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【推荐2】已知全集
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd55204ed9962f874e3ae95c7914bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3169db4deddd677f370b3edc77014e0.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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