已知集合
,
.
(1)若
,求
;
(2)若
,求a的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f4b457fc4c4f7f0d64df899ef2d7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690dba116e5a06f54e3829884c619a09.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
21-22高一上·贵州毕节·阶段练习 查看更多[9]
贵州省毕节市金沙县2021-2022学年高一10月月考数学试题江西省赣州市赣县第三中学2021-2022学年高一下学期开学考试数学试题(已下线)第01讲 集合 (讲+练)-2023年高考数学一轮复习讲练测(新教材新高考) 云南省楚雄天人中学2022-2023学年高一上学期9月学习效果监测数学试题(已下线)1.3 交集、并集(1)(已下线)第03讲 1.3集合的基本运算(1)-【帮课堂】天津市第五中学2023-2024学年高一上学期10月月考数学试题江西省宜春市丰城市第九中学2023-2024学年高一下学期开学考试数学试题(已下线)第05讲 集合的基本运算6种题型总结 -【同步题型讲义】(人教A版2019必修第一册)
更新时间:2022-01-15 18:02:07
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】如下两个条件①
,②
.
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb94c9515e89d2a351010ccc25d1357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e71dff6cdc23b362bdb0d57cf80afca.png)
从①②两个条件中任选一个,补充在下面问题中,并求解.
问题:已知集合__________,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83057284f22e4b218bfc31b89f954ef4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.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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|
适中
(0.65)
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【推荐2】已知函数
的定义域为集合
,集合
.
(1)求集合
与
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a366c21a3dc3c42bff688faaa3649c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdb9b2eee3443909a9d7651f2c240b1.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3516cead1976248defbf1ffe368170.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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解题方法
【推荐1】在下列两题中任选一题作答
题①:设集合
或
,
,
.
(1)求
和
;
(2)若
,求
;
(3)若
,求实数
的取值范围.
题②:记函数
值域为集合
,函数
的定义域为集合
.
(1)求集合A;
(2)求
和
;
(3)求
和
.
题①:设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57353f4f4a42bd922a4045f64f1efcb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4829e84ccdc74dd118d988dbadaf324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38fc907a460fb248629000a74614699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b3b3095294a92ab23f80620433fc53.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26bea4241ba4e54afb4172561be8734.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
题②:记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ce2496b7da19fcfbe3a4e4999af38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d243e4a3be7907a6aaa01cf103fb884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
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【推荐2】设全集U=R,集合A={x|
<1},B={x|x≥1},C={x|2a≤x≤a+3}.
(1)求
和A∩B;
(2)若A∪C=A,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51b184e1979ef50a0c6fa06871a4cb8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
(2)若A∪C=A,求实数a的取值范围.
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【推荐1】已知集合A={x|a-1<x<2a+1},B={x|x2-x<0}
(I)若a=1,求A
B,
;
(II)若A
B=
,求实数a的取值范围
(I)若a=1,求A
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c6d0847cbfb5690d6671d0faa574d2.png)
(II)若A
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66854bb5784c29a27075e884e10e392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
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(0.65)
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【推荐2】设集合
,其中
为实数,令
,若
中的所有元素之和为
,求
中的所有元素的平方和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53859a7e33a083b04c609781e90d0766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027f96c008da98aef16d52e4b5ab1f93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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