解题方法
1 . 已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b452f3b6082c4f6f70370eaa3ebc555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba6d2bcb572bb99ea1a8d1edd68c3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
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2 . 设全集
,
,
,用列举法表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84edcc374f7c9528292a66a1b35641ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
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3 . 已知
为全集,
、
均为
的非空子集,有下列四个命题:
①
;②
;③
;④
.
其中,与命题
等价的命题有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e146e222505f9166f30b595150e27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c408d812ff6ed28bb6217b8b37c947a9.png)
其中,与命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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解题方法
4 . 已知集合
,
.
(1)用区间表示A与B;
(2)若全集
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c063ff3100c3db5a0ab5d9395561742c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4666717e20fd8c7ee30bc89a443d91ad.png)
(1)用区间表示A与B;
(2)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3a1c4a70ecbe1a45658047703e6e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555e0114c5a4605465900d7e165a299e.png)
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2014高三·全国·专题练习
名校
5 . 已知全集
,集合
,则
=_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4ee6d13e7395b85e0e51501b8967f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b42d1af52242af20f1ec63e4675820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d671d4ce46f03f75a328734f2acbac91.png)
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解题方法
6 . 已知全集U=R,集合
(
)=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09d68cebbac7b86e80b11505725effd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a191309dcecdc978029cc2542e6ad82.png)
A.(2,3) | B.(2,4) | C.(3,4![]() | D.(2,4![]() |
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