1 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46d91a898eabc0094137dacb4defa60.png)
.对于
,
,定义
,定义
与
之间的距离为
.
(1)设
,
,
,直接写出
,
,
;
(2)
,判断
与
的大小关系,并给出证明;
(3)证明:
,
,
,
三个数中至少有一个是偶数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46d91a898eabc0094137dacb4defa60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a213c770b7898200a9f0fd3f48e7403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aea343234102eeccd40f790ec5ce2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374c2acfb112a4284400b5ddbd19aa02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a0b3823a1fd3e69af7594da9b8f0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a005c90b3e44a1737dd3771dbafcb5c2.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5794bdc5eb3d74aedd9c05d6de2d69c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea406d4bc7d7fb5d6f0789441028f21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207ff0926bf917ce30f615d23eff451c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507d7d4b676e2b1cd0b2bec2fffda025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7041adbdd3371e7cd4bd02682115ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4a2681390214200443ae07c01a4abe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519a1fbbf2ae4158090a505c9494b0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858291a961c75db554dc5a737c1fcd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519a1fbbf2ae4158090a505c9494b0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a6e825795c828f8281e93607d0e1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdfd65ee99c3d93adee6732ae125eb8.png)
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名校
2 . 已知集合
,集合
,集合
,且集合
满足
,
.
(1)求实数
的值.
(2)对集合
,其中
.定义由
中的元素构成两个相应的集合
,
,其中
是有序实数对,集合
和
中的元素的个数分别为
和
,若对任意的
总有
,则称集合
具有性质
.
①请检验集合
与
是否具有性质
,并对其中具有性质
的集合,写出相应的集合
和
.
②试判断
和
的大小关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1fd5e97a412914f4f8e650fcc63358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945b9f47f37e913573a970c9c0f66e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71fc06717e9b476d78e50a4ceed8564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725e7e04c2a89481457c20d6438dab0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f75ed8f6ace26756031eb3d813db6c0.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)对集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de04e7bd1c120d55e09bc0ee11be3fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609e9afd827286fb76551b16aaaebf89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d00adb50063efec9a89350927d52bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457e06cd98cdcba9383e28f1b6cdc488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c745503c010711188c306e1831cf712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①请检验集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709a1f33195ab62f2da488b27a219c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c67b05f5f43a2d4371a42e65dea900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
②试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2021-09-23更新
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3卷引用:北京市第八十中学2021-2022学年高一上学期期中考试数学试题
北京市第八十中学2021-2022学年高一上学期期中考试数学试题江苏省南京市第二十九中学2020-2021学年高一上学期10月月考数学试题(已下线)专题02 集合与常用逻辑用语常考压轴题型-2021-2022学年高一《新题速递·数学》(人教A版2019)
3 . 已知非空集合
,如果存在
(
且
),使得
,则称集合
具有性质
.
(1)分别判断下列集合是否具有性质
并说明理由;
①
;
②
.
(2)设m是正整数且
,集合
,求证:A具有性质
;
(3)求最小的正整数n,使得对于任意满足
且
的两个集合
和
,其中至少有一个集合具有性质
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5fd42cf3b002d9ef1627780f16c9cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f490577e6b90fd4e54e588de3b404bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e869109c7cb33ecc053f63569d6f252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01a9c4d14740671afdabf9933e0a972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d871ec977913283c947608935125720a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daac43c7675fa411b35028e09b0bad90.png)
(1)分别判断下列集合是否具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d256abcdbb1714e15a70f761126464.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3932560a63aa689fae26a5aa1b094d3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990f78d4c9449be03045fccff2d1360a.png)
(2)设m是正整数且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833c1ee6b2e531eeaad594630b3335e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5ddbfc348fd81e6be531e5c3e2f2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d256abcdbb1714e15a70f761126464.png)
(3)求最小的正整数n,使得对于任意满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3ba0288fdad44330f1dd88db72adcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5086d8f532bdec50a15171cc24a431b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9721059d158853671eaf19e39769b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8db4b168ddbcba90ac9b31d36a0432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833d0d3691997604885bd85d3271f212.png)
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2021高三·全国·专题练习
名校
4 . 已知集合
为非空数集,定义
,
.
(1)若集合
,直接写出集合
及
;
(2)若集合
,
,且
,求证
;
(3)若集
,且
,求集合
中元素的个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f43ef1d76f7a33e2aaa5c0f63f53b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ad3621cf61323c074b8b9f075fb65f.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e002c65f15d75af50420ac6173348ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b26ea9b3e6e286874c5dca1badea723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16289945d1d1c529fb1bfd4d828f413.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7591668ec1bc5e8b1f2c4dba4835d1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9473a5974fa9c4286f90f6a3637411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3cd4e59bf251858f03408b59ad1902.png)
(3)若集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3fe454c4e4cefbc55828f34088558a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4d331fa6921e8ebc0b1fc4affd22ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2021-03-20更新
|
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4卷引用:北京市清华大学附属中学2019-2020学年高一上学期期末数学试题
北京市清华大学附属中学2019-2020学年高一上学期期末数学试题(已下线)专题01 集合与常用逻辑用语-【备战高考】2021年高三数学高考复习刷题宝典(压轴题专练)(已下线)1.1 集合的概念与表示-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)四川省泸州市泸县泸县第四中学2023-2024学年高一上学期10月月考数学试题
名校
5 . 已知集合
为非空数集,定义:
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e092a46bd0eb089045217e1b13ccbb65.png)
(1)若集合
,直接写出集合
,
.
(2)若集合
,
,且
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1868c8a0db983c9cc2695294fa03b1.png)
(3)若集合
,
,
,记
为集合
中元素的个数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d6adf2d45f344e1ca24c4cf0e4884c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e092a46bd0eb089045217e1b13ccbb65.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa9c26b45f6947550f7c40cbfdecbba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faaa2c9b8bc8ee534a517d6a108a66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76ad1e03a6ba59e8164e37c5e7e063e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1868c8a0db983c9cc2695294fa03b1.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b408aeda05ba8f05babea6251dcab2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a6a3d1be93cf6d16ee6e0ce0497f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650aa72fd4034517f9f981e382c1e50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650aa72fd4034517f9f981e382c1e50.png)
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2020-11-15更新
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21卷引用:北京大学附属中学2020-2021学年度高一10月考衔接班数学A层试题
北京大学附属中学2020-2021学年度高一10月考衔接班数学A层试题北京市海淀区中国人民大学附属中学2020-2021学年高一(上)期中数学试题北京市中国人民大学附属中学2020-2021学年度高一年级上学期数学期中练习试题北京人大附中2020-2021学年高一(上)期中数学试题北京市广渠门中学2021-2022学年高一上学期期中质量检测数学试题湖南省长沙市湖南师大附中2020-2021学年高一上学期第一次大练习数学试题(已下线)期末测试(能力提升)(1)-2020-2021学年高一数学(必修一)单元测试定心卷(沪教版2020)(已下线)高一上学期期末全真模拟02-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)(已下线)知识点03 交集、并集-2021-2022学年高一数学同步精品课堂讲+例+测(苏教版2019必修第一册)(已下线)第3课时 课后 集合的基本运算(已下线)第一单元 (基础过关)集合与常用逻辑用语 A卷-【双基双测】2021-2022学年高一数学同步单元AB卷(人教A版2019必修第一册)(已下线)第03讲 交集、并集(教师版)-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第一册)第1章 集合(章末测试提高卷)-2021-2022学年高一数学同步单元测试定心卷(苏教版2019必修第一册)(已下线)专题03 集合的运算压轴题型-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)1.3 交集、并集(已下线)专题01 集合与逻辑(讲义)-2第一章 预备知识 期末综合复习测评卷-2021-2022学年高一上学期数学北师大版(2019)必修第一册(已下线)第3课时 课后 交集、并集(完成)(已下线)高一上学期期中【易错60题考点专练】(必修一前三章)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)(已下线)第1章 集合与常用逻辑用语-【优化数学】单元测试基础卷(人教B版2019)(已下线)集合及其运算
解题方法
6 . 对给定的正整数
,令
,
,
,
,
,
,2,3,
,
.对任意的
,
,
,
,
,
,
,
,定义
与
的距离
.设
是
的含有至少两个元素的子集,集合
,
,
中的最小值称为
的特征,记作
(A).
(Ⅰ)当
时,直接写出下述集合的特征:
,0,
,
,1,
,
,0,
,
,1,
,
,0,
,
,1,
,
,0,
,
,0,
,
,1,
,
,1,
.
(Ⅱ)当
时,设
且
(A)
,求
中元素个数的最大值;
(Ⅲ)当
时,设
且
(A)
,求证:
中的元素个数小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8608f691fb64f578cf3ee5af3cd8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e97569e91e9574c327bab94fbd9bb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659ce142c5578c660dcadacb81b8d7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c93fedde9bb8f927c986094275598b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7577c2f2038fd5478e71655277a4a853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c4974696608167ebc73d9081552d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7009fe80f51263ce2d10a09bdfea9ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6440421ef1201f1e2ad00f8bfb77964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b161ad2e118a142d9aafa2e39e30b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e235caa78f940a1d9c4d0e785d425d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096409e0b9a113e1e43801cf41b3d4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d0e49177363675f01a9a754a0a62cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533b594f63c4d48135aa0a02592b89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb900b1334149968e3a28a218ecbf7d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3b6a2131422a8c21784d06a21b3a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606b0d7a53aa72715af4bb9508320f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533b594f63c4d48135aa0a02592b89a.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcca0e992d47f3db0be185ba861adf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811f2ad9bbe890879e63f151b37bb814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0204f76cda5ea4ced714588be1efeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcca0e992d47f3db0be185ba861adf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811f2ad9bbe890879e63f151b37bb814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415dd1391cf359512f7714d4458feee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52265b7b99204466ba6eebd6e72ba860.png)
您最近一年使用:0次
名校
7 . 设集合
,若X是
的子集,把X中所有数的和称为X的“容量”(规定空集的容量为0),若X的容量为奇(偶)数,则称X为
的奇(偶)子集.
(1)当
时,写出
的所有奇子集;
(2)求证:当
时,
的所有奇子集的容量之和等于所有偶子集的容量之和;
(3)当
时,求
的所有奇子集的容量之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c2f5fadd68e7b49a8d691d869ae930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2020-11-02更新
|
457次组卷
|
2卷引用:北京市东城区2019-2020学年高二下学期期末统一检测数学试题
8 . 设
为正整数,区间
(其中
,
)同时满足下列两个条件:
①对任意
,存在
使得
;
②对任意
,存在
,使得
(其中
).
(Ⅰ)判断
能否等于
或
;(结论不需要证明).
(Ⅱ)求
的最小值;
(Ⅲ)研究
是否存在最大值,若存在,求出
的最大值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c724c6119e3e17b6181178ce7e6baf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d1fd5262cae918d9c8ef6a1bede788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f84aa794bc075d6139177cd2f59925.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbba3561714a2b7b7b675e4c319e4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b375f090c551bb2817fa942edbf9bd05.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165df5a77d87e7c534898e995f162562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bbba3561714a2b7b7b675e4c319e4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5de90d938c439d3a9a8e5e1880604f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927a02889cbfc416da88181520058c3a.png)
(Ⅰ)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb6b5ca66b71ac5daa42ce59f19f72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432851e0d0b7a2924da29b9cc5ca1706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6b3e4ab38102e50c861c13496bd215.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(Ⅲ)研究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2020-05-12更新
|
913次组卷
|
2卷引用:2020届北京市西城区高三诊断性考试(二模)数学试题
9 . 设
为给定的不小于
的正整数,考查
个不同的正整数
,
,
,
构成的集合
,若集合
的任何两个不同的非空子集所含元素的总和均不相等,则称集合
为“差异集合”.
(1)分别判断集合
,集合
是否是“差异集合”;(只需写出结论)
(2)设集合
是“差异集合”,记
,求证:数列
的前
项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1557d3b215f58330d34827b134ad2925.png)
;
(3)设集合
是“差异集合”,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c0645b3b48cbc3840164af821916b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)分别判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914d8838c9136ed8ba75eb0293c74b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8887c3ec8c7554225df9938ed0fd9f7b.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c0645b3b48cbc3840164af821916b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d84828745b5efff020a705a15a019b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773f8c0f02c7c2e2cfe8d26265179fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1557d3b215f58330d34827b134ad2925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f736b66000c6c6befe2171d5090bf1.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c0645b3b48cbc3840164af821916b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749877d42d1984fb42369b7bb4e376c7.png)
您最近一年使用:0次
2020-01-11更新
|
498次组卷
|
2卷引用:北京市房山区2019-2020学年高三上学期期末数学试题
名校
解题方法
10 . 定义:给定整数i,如果非空集合满足如下3个条件:
①
;②
;③
,若
,则
.
则称集合A为“减i集”
(1)
是否为“减0集”?是否为“减1集”?
(2)证明:不存在“减2集”;
(3)是否存在“减1集”?如果存在,求出所有“减1集”;如果不存在,说明理由.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc7338b2a8a4a7d06acd6eb1b446564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebabd7323bae39388835a33e09046c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669926e4732ba3eca48e018aaebe7079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957d41dbe52b49c3a7339e3519a3fe84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45251c3475305d50c946539a1bd6a5f8.png)
则称集合A为“减i集”
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed72c5ada5b4d689310406b7cef32f.png)
(2)证明:不存在“减2集”;
(3)是否存在“减1集”?如果存在,求出所有“减1集”;如果不存在,说明理由.
您最近一年使用:0次
2020-03-14更新
|
1147次组卷
|
7卷引用:2020届北京市中国人民大学附属中学高三开学复习质量检测数学试题
2020届北京市中国人民大学附属中学高三开学复习质量检测数学试题北京市海淀区中国人民大学附属中学2023届高三下学期开学摸底练习数学试题北京市人大附中2023届高三下学期2月开学考数学试题北京市海淀区宏志中学2023-2024学年高一上学期期中考试数学试卷(已下线)专题03 集合的运算压轴题型-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)高一上学期期中【压轴60题考点专练】(必修一前三章)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)重庆市西南大学附属中学校2023-2024学年2023-2024学年高二下学期3月测试数学试题