1 . 已知集合
,若
,则实数
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03241e5cf070b4be4070a2e447f125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
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解题方法
2 . 已知集合
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23abd56b5cf40682974bfc6a2ae05b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171fa56fc98a6ee44e62c578d9b2e049.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb15c78da33816eeb1af1990bfdcacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-29更新
|
343次组卷
|
5卷引用:陕西省汉中市龙岗学校2023-2024学年高一上学期期末数学试题
名校
3 . 设全集为
,集合
.
(1)求
及
;
(2)若集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9087926f1c628fae0174baac089a8611.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d19598537de95fa02534b1e9b467d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7562f0eb24db77931f9a903be97111d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bed4f3b7d72db3b022165360678e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 设集合
,
,若
,则实数
的取值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d7375f47f5b29330d6586858c1a8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7725dd5d5d13630fc24c8a1687195d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.-3 | B.0 | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-05更新
|
393次组卷
|
3卷引用:陕西省西安市阎良区关山中学2023-2024学年高一上学期期中数学试题
名校
5 . 已知集合
,集合
,如果命题“
,
”为假命题,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8324e2203e308fe4544deb5ad0887e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15572015d2a1a4ded84f59f7279d0639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd57dd79e746b9778ad15cb09f004888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-29更新
|
341次组卷
|
2卷引用:陕西省西安市长安区第一中学2023-2024学年高一上学期第一次质量检测数学试题
6 . 已知集合
,
.
(1)若
,求实数m的取值范围;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb694e754fb313a42e0ce003fc4f17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db1b8df853d0842deda43a0dd10a1e9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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7 . 已知集合
,且
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aaa06cde40865ba4233330a4c6778f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d656aebecdfa18152e7cb27946e4d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacfaef44a654c0a1c283ef03fc0550.png)
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2023-11-14更新
|
300次组卷
|
2卷引用:陕西省商洛市柞水中学2023-2024学年高一上学期期中质量检测数学试题
名校
8 . 已知集合
,
,
..
(1)求
,
;
(2)当
时,
;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95cc0ef293bca74671e59536033fe32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c061199b869da1de714c6d08994bd9f9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343324ebf9d6e86c42fbde0fbb94689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-14更新
|
99次组卷
|
2卷引用:陕西省渭南市富平县蓝光中学2023-2024学年高一上学期第二次月考数学试题
解题方法
9 . 设集合
,
.
(1)若
,求实数
的值;
(2)若
,求实数
的取值范围;
(3)若全集
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5756bb336aefc2237f2bf08479016e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ac77de993f6fb179fb67d2f77c8ca7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10bfb9bb2a2cba68bce20df67be33ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a81214d989fde4b91fa9fd51af85151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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解题方法
10 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2ec30d60b6e04e4f3348b9513d739a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2de7fd0c26140e08600774378dca2a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5051aa6f5c042fbc0fa946193c8b97b9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
您最近一年使用:0次