1 . 高一的珍珍阅读课外书籍时,发现笛卡尔积是代数和图论中一个很重要的课题.对于非空数集A,B,定义
且
,将
称为“A与B的笛卡尔积”
(1)若
,
,求
和
;
(2)试证明:“
”是“
”的充要条件;
(3)若集合
是有限集,将集合
的元素个数记为
.已知
,且存在实数
满足
对任意
恒成立.求
的取值范围,并指明当
取到最值时
和
满足的关系式及
应满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83ae6d18a3a3f1383a2c857ed0054a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf8be42fdd0b30c8a100c4110d434ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f808f81b6ea9da53d51c549be04f4267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1ea7aabd373ab4e84031b84936e70.png)
(2)试证明:“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ec4a0fcae6ea3ad50754038379bf52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98816a922b6dd4704b3f95adc77cb7b.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec8996421ea2bdb85b9f29c714d6a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34bcce23cde0e66aa6b2877cb49541d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed82f14b30abdb31af23beb3a6af8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29c06a3e9a73e905eb87d71efa201c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223df28e586d0f67cdb8b675cec0a59a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ac94bced60536f5595d1ffecf875ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 定义1:通常我们把一个以集合作为元素的集合称为族(collection).
定义2:集合
上的一个拓扑(topology)乃是
的子集为元素的一个族
,它满足以下条件:(1)
和
在
中;(2)
的任意子集的元素的并在
中;(3)
的任意有限子集的元素的交在
中.
(1)族
,族
,判断族
与族
是否为集合
的拓扑;
(2)设有限集
为全集
(i)证明:
;
(ii)族
为集合
上的一个拓扑,证明:由族
所有元素的补集构成的族
为集合
上的一个拓扑.
定义2:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)族
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee5abf02995c6ac2135347a663cdb0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92ee8109b0f949f8946814f0a69e8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(2)设有限集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a75d83dc31194727f441b79eee9cfc.png)
(ii)族
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9350d17e3ce2d85030a0076b53174a96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
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3 . 已知集合
,对于集合
的非空子集
,若
中存在三个互不相同的元素
,使得
均属于
,则称集合
是集合
的“期待子集”.
(1)试判断集合
是否为集合
的“期待子集”;(直接写出答案,不必说明理由)
(2)如果一个集合中含有三个元素
,同时满足①
,②
,③
为偶数.那么称该集合具有性质
.对于集合
的非空子集
,证明:集合
是集合
的“期待子集”的充要条件是集合
具有性质
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50880bcd3d3028504da90000fbb99cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b60809c809060f8d3f7a2d13b4baf6cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)试判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a1a38223e9b67bcde177697bac40f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
(2)如果一个集合中含有三个元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d561cdf17d3a6d7d57af719cb6100c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55de080a3c1313bbd6ea5c17307c723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1433c8103033c67232f2f9ae189608d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
4 . 已知自然数集
,非空集合
.若集合E满足:对任意
,存在
,使得
,称集合E为集合A的一组m元基底.
(1)分别判断下列集合E是否为集合A的一组二元基底,并说明理由:
①
;
②
.
(2)若集合E是集合A的一组m元基底,证明:
;
(3)若集合E为集合
的一组m元基底,求m的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaa2be7b1653f2371891e9a794f023d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a5002b44e87e59f1e1fda6a841de5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c059a6234c274a3aa626b20698263c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53613f4c8d697ad45bd08f29ef76f19e.png)
(1)分别判断下列集合E是否为集合A的一组二元基底,并说明理由:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c93b026b2bd1f754bcee49e48c6bbb4.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3210812ece496c3ab3396e9ec2f0c6e.png)
(2)若集合E是集合A的一组m元基底,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e41403eba28ee0f497c79953b842ca1.png)
(3)若集合E为集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1341ae10a275cd370eb014d0f505f3.png)
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2023-11-03更新
|
376次组卷
|
2卷引用:北京市人大附中2023-2024学年高二上学期期中数学试题
名校
解题方法
5 . 设A是正整数集的一个非空子集,如果对于任意
,都有
或
,则称A为自邻集.记集合
的所有子集中的自邻集的个数为
.
(1)直接写出
的所有自邻集;
(2)若
为偶数且
,求证:
的所有含5个元素的子集中,自邻集的个数是偶数;
(3)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417abc71b8bee465746db0a35e776f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ca2371b88985463ba25e4ec1ea453d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b377240e8ad277805e0499803d5be5e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623eef12f37f0b85ddd367faa9b3bfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04aba3402e1d191ff96adda7c4af70ef.png)
您最近一年使用:0次
2023-05-28更新
|
702次组卷
|
11卷引用:北京市北京师范大学第二附属中学2023-2024学年高二上学期期中测试数学试题
北京市北京师范大学第二附属中学2023-2024学年高二上学期期中测试数学试题北京市第五十七中学2021-2022学年高二上学期期中检测数学试题北京一零一中学2023届高三下学期数学统练四试题北京卷专题02集合(解答题)北京市第一0一中学2022-2023学年高三下学期统练数学试卷(四)(已下线)高一上学期第一次月考解答题压轴题50题专练-举一反三系列北京市东城区景山学校2024届高三上学期12月月考数学试题北京市第二中学2023-2024学年高二上学期12月第二学段考试数学试卷北京市西城区2021届高三5月二模数学试题北京市第二十中学2022-2023学年高二上学期12月月考数学试题(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大核心考点)(讲义)
名校
6 . 对任意给定的不小于3的正整数
,
元集合
均为正整数集的子集, 若满足:
①
;
②
;
③
,则称
互为等矩集.
(1)若集合
与
互为等矩集,求
的值;
(2)证明: 如果集合
互为等矩集,那么对于任意的正整数
,集合
也互为等矩集;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5debbaded2b2b268512d53339e460349.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b04f7ed829546d2b2260985f507f3a8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7bde3e3d8155e79ab1fa1fa9ee19f1.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12adcda385580201a896d40562dd497f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0dc1dc5f1c10b956f04abde185490a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
(2)证明: 如果集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5debbaded2b2b268512d53339e460349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b454a8f5d20d6962b47c1c2508b1c16f.png)
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2023-10-17更新
|
157次组卷
|
2卷引用:上海市宜川中学2023-2024学年高一上学期期中考试数学试题
7 . 设k是正整数,集合A至少有两个元素,且
.如果对于A中的任意两个不同的元素x,y,都有
,则称A具有性质
.
(1)试判断集合
和
是否具有性质
?并说明理由;
(2)若集合
,求证:A不可能具有性质
;
(3)若集合
,且同时具有性质
和
,求集合A中元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196ee858814f200b4414975cc154f333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a33197acadf8491f921a9330f94260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daac43c7675fa411b35028e09b0bad90.png)
(1)试判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3aabb4483ddc6e67b4fedb0e09518f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5d8bc28ee110a9540f383828b7d245.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad04af133fc5d09790cddd1c2c199892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41b85f6960a2a4f988e5ddd9ef48d0e.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096a06a215ba878c07d26f801498aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0127f7421ce1839e335f091d730736af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677dcea09d90af109df9cc72cff15cf0.png)
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2023-05-10更新
|
823次组卷
|
3卷引用:北京市清华大学附属中学2022-2023学年高一下学期期中数学试题
北京市清华大学附属中学2022-2023学年高一下学期期中数学试题北京市第三十五中学2023-2024学年高一上学期期中测试数学试题(已下线)单元高难问题01集合中的新定义问题-【倍速学习法】(人教A版2019必修第一册)
名校
解题方法
8 . 给定整数
,如果非空集合
满足:
一:
,
,
二:
,
,若
,则
,那么称集合
为“减
集”.
(1)
是否为“减0集”?是否为“减1集”?
(2)是否存在“减2集”?如存在,求出所有“减2集”;如不存在,请证明.
(3)是否存在“减1集”?如存在,求出所有“减1集”;如不存在,请证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
一:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635cd77ca2260a31f0ac0fb23782ac51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88810d5c923d6695cc143f85d9565566.png)
二:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0191cf0f97155693155d74595b1e369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d015f20727d06fcd4fde4ed4de4e7c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084bfb1bb3c6092f193cdc58411f2ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed72c5ada5b4d689310406b7cef32f.png)
(2)是否存在“减2集”?如存在,求出所有“减2集”;如不存在,请证明.
(3)是否存在“减1集”?如存在,求出所有“减1集”;如不存在,请证明.
您最近一年使用:0次
2023-09-25更新
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408次组卷
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2卷引用:北京市第十二中学2023-2024学年高一上学期期中考试数学试卷
名校
解题方法
9 . 已知
是非空数集,如果对任意
,都有
,则称
是封闭集.
(1)判断集合
是否为封闭集,并说明理由;
(2)判断以下两个命题的真假,并说明理由;
命题
:若非空集合
是封闭集,则
也是封闭集;
命题
:若非空集合
是封闭集,且
,则
也是封闭集;
(3)若非空集合
是封闭集合,且
为全体实数集,求证:
不是封闭集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e13a814f8e081078dcf3788177affcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6493575a2d595bebd8e813c3d79fb8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bb6359407782248c8be98288b1791e.png)
(2)判断以下两个命题的真假,并说明理由;
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2646f41226f24960a6186dc7860ef45.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8543bb9be52b25cf5be0a39110c9e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b76d26b78e63683dfacf10d3da6d74d.png)
(3)若非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba5283c1fa3bf7896113cd79e9c31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
您最近一年使用:0次
2023-01-06更新
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783次组卷
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8卷引用:湖南省岳阳市2022-2023学年高一下学期期中数学试题
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解题方法
10 . 设全集
,集合A是U的真子集.设正整数
,若集合A满足如下三个性质,则称A为U的
子集:
①
;
②
,若
,则
;
③
,若
,则
.
(1)当
时,判断
是否为U的
子集,说明理由;
(2)当
时,若A为U的
子集,求证:
;
(3)当
时,若A为U的
子集,求集合A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fefd9d7303a04708b4f2d728e78361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed0c7122ffdbf145d72a310671465fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0412e8d25fa4748e3f6784611bd61990.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8a1b0b32229f6a9f5b85c11f05bee2.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea9f77724293f232a0578b283a9870d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658f2824532e5b72962fe34a22c27c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/251a5b0faec4a29eff8173a633c0b765.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea9f77724293f232a0578b283a9870d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489b7692d3889aede2335c3ac8aca36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb76e516509e33dc0d29663cc6b884bd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c345907ebe27888332b1b44c666cc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd131b82e404452880d7a97792f22493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7844925f9077aa32c990fc20a51467.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcd23a8020d731bd512bb8df45ea594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0acc53fa720475ae4c2ed59691fce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e13bbde03ffad05ecc3fee8120b6a6.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575c2057865186fb80a50f67ee6ea70c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0acc53fa720475ae4c2ed59691fce0.png)
您最近一年使用:0次
2023-01-06更新
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891次组卷
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10卷引用:北京市第五十七中学2022-2023学年高一(1+3科技创新试验班)下学期期中考试数学试题
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