已如集合
,
.
(1)若全集是
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256575d4bd44a2e895864d16353f738d.png)
(2)设集合
,
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fd9ee14a0a9931207bac1a15fc21bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca87836f035a18b136bfae2f8c58167.png)
(1)若全集是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256575d4bd44a2e895864d16353f738d.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754cc5ef6540380271a2335c55f1e085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c797cd99f07b8601b5cad0a4790eb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2019-02-18 14:10:17
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解题方法
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(2)若“
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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解答题-问答题
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较易
(0.85)
解题方法
【推荐2】已知集合
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(1)若
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
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【推荐3】集合
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f465468f4942ba7db8c2d5d307679328.png)
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(2)若
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解答题-问答题
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较易
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【推荐1】已知全集
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baea7df1d3a65f744e22594896b2070c.png)
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(1)求
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(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6bfca280e6393d74e9352230651826.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8207816a621c8950c6ee736d86df5f.png)
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