1 . 定义:若集合
满足
,存在
且
,且存在
且
,则称集合
为嵌套集合.已知集合
且
,
,若集合
为嵌套集合,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ecc4b074c6071fe55ba2d83fcdea61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2317480af8719266bb92ee59d6b2c3b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0408a343dd6a0d9b72355f76b9597b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda3f6552c0ee212079202250e39140e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47a6571cef9840b8a66e8be8783f2a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4786c99f91b8988df13165d869d11538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023·全国·模拟预测
2 . 设集合
,
,且
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d96f1a30be1d96ea5302e36c807493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ebae4342b7beef6efe47e27f898012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250efd4c218bf776f50071714ce5de98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.2 | D.3 |
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解题方法
3 . 已知集合
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76d262f3b882a1ccc23c8d7f3db4af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-29更新
|
416次组卷
|
3卷引用:四川省德阳市2024届高三一模数学(文)试题
2023·全国·模拟预测
解题方法
4 . 已知集合
,若集合
中只有一个元素,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3e02d711cc92652034ae03f4ba9dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ccea6d758e8ce2249792a4252f52fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.2 | C.![]() | D.![]() |
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2023-11-27更新
|
673次组卷
|
3卷引用:广西普通高中2024届高三跨市联合适应性训练检测卷数学试题
名校
6 . 设集合
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48dcf6df5f0174b2d2a0c06b5d373f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
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2023-09-21更新
|
856次组卷
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3卷引用:河南省部分名校2023-2024学年高三上学期核心模拟数学(一)试题
名校
7 . 已知集合
,
,若
,则实数b的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4953d74402474b2bd562c62f35b650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955e290f1d40bb6d48065084128f31d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
A.1 | B.0或1 | C.2 | D.1或2 |
您最近一年使用:0次
名校
解题方法
8 . 已知集合
,
,若
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c7716010c41284a2ffb735f8ec8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33fac57300350869413a6c2cfa9462c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-06-25更新
|
1680次组卷
|
7卷引用:陕西省咸阳市武功县普集高级中学2023届高三6月九模理科数学试题
陕西省咸阳市武功县普集高级中学2023届高三6月九模理科数学试题陕西省咸阳市武功县普集高级中学2023届高三下学期九模文科数学试题(已下线)集合专题:集合中常考的5种参数问题-【题型分类归纳】黑龙江省大庆市肇州县第二中学2023-2024学年高二上学期9月月考数学试题安徽省滁州市明光市第二中学2023-2024学年高一上学期10月月考数学试题(已下线)专题01 集合及其运算(已下线)专题1.1 集合与常用逻辑用语【七大题型】
9 . 已知
是全集,集合
,
满足
,则下列结论一定成立的是( )
![](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/bf86af76586fafd82d07297cb2ff7c71.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
10 . 已知集合
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9dfc1473199ca41d4bf713e76f048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8752f746708f98700cdc11a403d1812e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d98847f36ba2077cd69fc954f34e683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.4 | C.![]() | D.2 |
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