解题方法
1 . 已知
为实数,集合
,
.
(1)求集合
、
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc64449295f99c728aad7db006fab098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485c2826e60fef858d7b7d623b91208e.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024高一·全国·专题练习
2 . 用列举法表示中国国旗上所有颜色组成的集合 ____________ .
您最近一年使用:0次
解题方法
3 . 设全集为
,集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a4e6e1f9216c679584e815fa78c2bd.png)
(1)若
,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d08365e3a5ba1516c8734af89f3db59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a4e6e1f9216c679584e815fa78c2bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00c57e4a79cde3635bcbce53c96d952.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-12更新
|
391次组卷
|
3卷引用:上海市奉贤区2022-2023学年高一上学期1月期末练习数学试题
解题方法
4 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36113af7d0b0b4cf823babb95fb7536d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7422f992357705a985471a0e5e51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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解题方法
5 . 集合
中恰好有两个元素,则实数
满足的条件是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cb533e99c8f273494a43eff429c1fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 若
,
,则
是
的( )条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f6985625455dfabd6b42e69b7a829c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe086c5f90239655469f674311df0e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.充分非必要条件 | B.必要非充分条件 | C.充要条件 | D.既非充分又非必要条件 |
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2023-12-23更新
|
191次组卷
|
2卷引用:上海市奉贤区2022-2023学年高一上学期1月期末练习数学试题
名校
解题方法
7 .
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220f7ad8156a315dea0d7d10aaabc66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
您最近一年使用:0次
8 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12160dccdf76905ed247b19ddd76b849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7811ffd828c4e247c69c9e3a5621743a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4437ed14585a5b64036e9d4289d58b4.png)
您最近一年使用:0次
2023-12-21更新
|
345次组卷
|
3卷引用:上海市奉贤区2024届高三一模数学试题
9 . 已知集合
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd69f94e786fa8a040793554684e903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次
解题方法
10 . (1)已知集合
,
,且
,求实数
的取值范围;
(2)已知集合
,
,若
且
,求
的值;
(3)已知
,当
变化时,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e592bba7506bb02055aa535e4b32f651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828cdf04a6f5d04e05d808f4c3fad58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb54fc566981c9f4e4f22a39546391c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38909e383f65e8ddb193f29b3ab6f03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343324ebf9d6e86c42fbde0fbb94689d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e67e3ebadffb75c7aec8f14b269f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacfaef44a654c0a1c283ef03fc0550.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf87a06a101db13189d94e8d49619bb.png)
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