解题方法
1 . 设集合
,集合
,且
,则
的值可以是_______ .(写出满足条件的一个答案即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ca16667d3b84428df451053607fa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96318f5bb461ab80f33cdcf98546a67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 将含有
个正整数的集合
分成元素个数相等且两两没有公共元素的三个集合
,其中
,
,
,若
中的元素满足条件:
,
,
1,2, ,
,则称
为“完并集合”.
(1)若
为“完并集合”,则
的一个可能值为____ .(写出一个即可)
(2)对于“完并集合”
,在所有符合条件的集合
中,其元素乘积最小的集合是____ .
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/790107ac317e4e84b002d7e1c5d9300d.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/17ee616a82e44131bea33713aba26fdb.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/d6b2b5cf9501409988209b2168346ff6.png?resizew=49)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7bb58dca886fc65d874e2b30040c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9cfd1398bb75618f8221abd14e97af.png)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/d6b2b5cf9501409988209b2168346ff6.png?resizew=49)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5049cefc642e08e2ba05e4f1029486de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ca97c733e72b990f1ce7a39aea6510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c9c199d97b0f1c342ab2290133eabd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)对于“完并集合”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93d25235973603f56d262bb9165432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
3 . 已知集合
,
.设集合A同时满足下列三个条件:
①
;②若
,则
;③若
,则
.
(1)当
时,一个满足条件的集合A是__________ ;(写出一个即可)
(2)当
时,满足条件的集合A的个数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7101a3eee1a6054a94a13c1285713bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827e0933211772799f65eccd2fbce592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc1108d22143e834bd69eeb9fd8775a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe08722cf9300fe188dbbb71989c06c9.png)
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名校
解题方法
4 . 非空有限数集
满足:若
,
,则必有
,
,
.则满足条件且含有两个元素的数集![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ .(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77be3380e8b9628200a788b2695dbd32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa1230636571c84cd26a5ed282d243b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
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2022-08-08更新
|
1342次组卷
|
5卷引用:北师大版(2019) 必修第一册 名校名师卷 第一单元 集合
名校
5 . 已知
,集合
,
,
.
(1)求
;
(2)若
且
,求实数
的取值范围;
(3)记
.当
时,若集合
中有且仅有一个元素
使得
0成立,试写出满足条件的
的表达式(只需写出一个即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e7acdf79d526ab736473c01b92478f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cdc10dc31aadc9212bfa553ab0b095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e0d7d4aea71fcf44c65ed792cbd421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25473c7106d6bd14c0917ba5e105364.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb15ee27fd7ce9be1495232ac68948f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952f1e0ce5bd53a6d5e8bb07ea2da5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52854d0ead4737302f4b4706e1f80553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce70d3efc3f0c7dc85b7d6be9421727a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa37a9a03564be3637c64117de07da8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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6 . 满足
,且
的集合M为______ .(只需要写出一个满足条件的集合即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38aa7c427864b008ff46b3299769019f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f4db681e6eb939ea69aff52195c800.png)
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名校
7 . 对集合
,定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca578919b59d25a1bb2b5ea8e33da46.png)
①若
的元素个数为4,则
可以为:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
________ (写出一组即可)
②若集合
满足:存在
的子集
,使得
的元素个数不小于100,且对任意
,均有
,则集合
的元素个数的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca578919b59d25a1bb2b5ea8e33da46.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a5235dcfd51f1ba4c1ee0037e167c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfa843f0c5458e8b9ad3244680f7679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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名校
8 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd83907b1f4a03ab969fbdda6cf908d3.png)
(1)当
时,求
.
(2)是否存在实数
,使得
,说明你的理由;
(3)记
若
中恰好有3个元素,求所有满足条件的实数
的值.(直接写出答案即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857f9714cce576c2e77b925edb9c9621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd83907b1f4a03ab969fbdda6cf908d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d322409dc07251b75e28050217c0561.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d01a8873720061d3f93cd6f1b79e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709a1f33195ab62f2da488b27a219c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
9 . 已知集合
,
,设集合
同时满足下列三个条件:①
;②若
,则
;③若
,则
.
(
)当
时,一个满足条件的集合
是__________ .(写出一个即可).
(
)当
时,满足条件的集合
的个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2dd2c7f4bf194e5cf83eb8e01f491f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827e0933211772799f65eccd2fbce592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc1108d22143e834bd69eeb9fd8775a.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764eff906937f9b1fb58e5abfb2eb8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2017-10-31更新
|
1183次组卷
|
5卷引用:北京市朝阳陈经纶中学2016-2017学年高一上期中数学试题
名校
解题方法
10 . 已知集合
,若
,则符合题意的一个集合C为______ (写出符合题意的一个集合即可,不必写出所有集合);集合
,
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb174d27e68b593740d866a33a43ecd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02982c0f35420577c5d4cbd7a0e9f6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d973f235340b2d8f3c1e5ac622d016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a7c6e6ef5e8db9a290278a9d951d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e680f87850128c8d390bfad6694797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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