解题方法
1 . 已知全集为R,集合
,
,并且
,则
的取值范围是
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1274769dd8c0986e30bb0d370836c357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df98e6c360f2a2edf35d2d7319b2ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fec5797aae117f0e0d6da987cf3377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a271fbe1d978a7a1d25d4b38cae7615d.png)
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2 . 下列说法:①空集的元素为0;②若
,则A,B中至少有一个为
;③任何集合必有一个真子集;④若S为全集,且
,则
;⑤
;⑥集合Z中绝对值最小的数是0.其中正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b4a0e6a36a55f3c64af3f773f05f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1677491ba90508b0e815b566447a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803a35dfeb01f1d25765e7d460d89015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a348fa19ad5f9bd02e6e4f8873d30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d9d797e2fa5fb92f98f5ecead07f5b.png)
A.1 | B.2 | C.3 | D.4 |
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3 . 设
{语文,数学,英语,德育},
{数学,语文,体育}.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72b8a5be7f62252e423a71262c0b0b4.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f47cda078e3278bbdf86fb6ed65315d.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229f49c9219d4748eb4c3ab3cd35eba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed55c1dd5844dadba09c941a70ab24f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72b8a5be7f62252e423a71262c0b0b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f47cda078e3278bbdf86fb6ed65315d.png)
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4 . 设集合
或
,
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548d3adcb5c96ad90b17b35de32caeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b464969bae2f0b59ac7f89d1bb7044c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7548e16c993ae8f3cdf3eb1cce696874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e324c24208cc97f9c44146af94933895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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解题方法
5 . 已知集合
,
,
,则
=________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2305c68cdab88965de217092948bac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc43e8dbeb078ce82d953f1937384884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e77562edb74b82788af39e4e3d32d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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6 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dba47ae2cf43f6578a6f5bbf0c9a75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc88b34efb0b7b299c5096058eaeba75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad13a291934636828912d8da3c7d7bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/975f579159d9e8ade04e84c4da7f6b8a.png)
A.1 | B.2 | C.3 | D.4 |
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7 . 已知全集U,集合
,
,
,则集合
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b37df360185ccaf375b4e7e1a24c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4456bb8b59eedcb61019b33580c04f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0658f5cbf327f33e7f4a80132da4c84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a61c0a52b93d0afaecebd39004271e.png)
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8 . 已知集合
,
,若
,则
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316a92a24c61a397758b9a07845e0190.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c933858983a9a2a8ec21d11847f08fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb3c85d24c23c56b4c9c47d7cb55a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6d79383c6503e1817378347afc66ee.png)
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9 . 已知集合
,
,全集
,求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92152296e12bbcba770ccb54486af2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b602d276b30c6cfaf78686e515b11950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3723365e0f77b2746bad84ae47dcaaeb.png)
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2022-02-17更新
|
175次组卷
|
2卷引用:江西省瑞昌市第一中学2022-2023学年高一10月月考数学试题
10 . 下列三个结论中所有正确结论的序号是( )
①若全集为
,集合
,则
;
②空集是任何一个集合的真子集;
③已知集合
与
,则
是
的充要条件.
①若全集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b504c5e5a1d75d7882f8f867e7ef1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d403831108d8ff97494fd2e200ec58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732f2de96c6713f2ddb0ec417cd81c33.png)
②空集是任何一个集合的真子集;
③已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56552cb9c94f329a295d508567103f75.png)
A.① | B.③ | C.①② | D.①③ |
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