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1 . 设集合A={x|x2-3x+2=0},B={x|x2+2(a+1)x+a2-5
0}.
(1)若
是
的充分条件,求实数a的取值范围;
(2)若U=R,A∩(∁UB)=A,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1188d0d8e53c66dcf36467d3096d1408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6d858db9cff724ff41def605b075b9.png)
(2)若U=R,A∩(∁UB)=A,求实数a的取值范围.
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2021-01-18更新
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355次组卷
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3卷引用:江苏省无锡市南菁高级中学2020-2021学年高一上学期第一次阶段性检测数学试题
2 . 设全集为R,
,求
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33a013c10ecd106bd275619917b4e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e26031c3503a7feaed656c48614fc52.png)
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2021-01-10更新
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2卷引用:安徽省六安市舒城育才学校2020-2021学年高一上学期12月第三次月考数学试题
名校
3 . 集合
,
或
.
(1)若
,求
;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6aafb4ed606a50e77c74a64960ab29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872a2406efa747e0ee3076f122cad33c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65316bafc89cf5e9cf9dd235ba61db18.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0635317c704f9dc8d176e00f7f409d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 设集合
,
.
(1)若
,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0b7a03ab1777e604dd32d98af2c648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e409f6b9d40225e4604eb8058b7ff0d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36107591b80216ded064f86af687b43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
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2021-01-09更新
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310次组卷
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3卷引用:安徽省滁州市六校2020-2021学年高一上学期调研考试数学试题
安徽省滁州市六校2020-2021学年高一上学期调研考试数学试题湖南省郴州市嘉禾县第一中学2020-2021学年高一上学期第四次月考数学试题(已下线)第03讲 集合的基本运算(考点讲解+分层训练)-2021-2022学年高一数学考点专项训练(人教A版2019必修第一册)
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5 . 已知集合
,
,
,全集
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e530f9f0b309da5c277883d1ea77708a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21cb93ee5f6764da3884c83a2682b0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ce8ac061af756c4a14aba4cf4d9205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89c4e36500e5697f7945c593e1306e5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b27d78934b0010c4c659b103e68259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-01-09更新
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4卷引用:福建省永安市第一中学2020-2021学年高一上学期期中考试数学试题
20-21高一·江苏·课后作业
6 . 已知集合P={x|x2﹣2x+k=0},若集合P中的元素少于两个,求k的范围.
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解题方法
7 . 不等式
的实数解集为A,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04be23c625173bcab2e6fb58510a132d.png)
(1)请求出集合A,当
时请求出m的值构成的集合;
(2)当
时,请求出m的值构成的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199e9b71bddd6f73725518ab2d567b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04be23c625173bcab2e6fb58510a132d.png)
(1)请求出集合A,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf1e97de471ad174a6e9d4c41dafabc.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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8 . 已知集合
,B={x|a+1<x<2a-1},U=R.
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a2a341f6fc2235ad8ae4ccb043b92b.png)
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f40fbb3da1e301c761f90aec2b6686cb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad83bc4c1d19af7aa4e7b2c121a5132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a2a341f6fc2235ad8ae4ccb043b92b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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9 . 已知集合
.
(1)求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c77fe9c7ca977e0783645ab3c462227.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
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2020-12-27更新
|
116次组卷
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2卷引用:安徽省皖北县中联盟2020-2021学年高一上学期第二次联考数学试题
解题方法
10 . 已知集合
或
,
,
,
.
(1)求
,
的值;
(2)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f37d583d00773e2f5957fb313dee4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4ddadbdc40a81d7310dd69c14f40a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccae8fd087fe518d496e7f40d6c839a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee61fcc91049ea4b2ea77111597184a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369b79ad50b40f3684ecad62d8913d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07241606934d6c75cf04455979d0e1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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