名校
1 . 设有限集合
,对于集合
,给出两个性质:
①对于集合A中任意一个元素
,当
时,在集合A中存在元素
,使得
,则称A为
的封闭子集;
②对于集合A中任意两个元素
,都有
,则称A为
的开放子集.
(1)若
,集合
,判断集合
为
的封闭子集还是开放子集;(直接写出结论)
(2)若
,且集合A为
的封闭子集,求
的最小值;
(3)若
,且
为奇数,集合A为
的开放子集,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d3d592c03146bab0e93fee04ad3072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e827f67d8b6f601f25c39c0116abda42.png)
①对于集合A中任意一个元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596afe6f8149e39c53d36a759bee6151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6f4f0f0f629dae342af9261c006de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17748c68c2a8a738c52175ebaa2f5e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247d742bdd34642e1da9fe9161e3a637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
②对于集合A中任意两个元素
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a843998f766e61f7abbdd2e985bad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52fdd006724b2dfdb7e6988f813ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb2ad93be53f0838c8563903ad31b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20a5ff55592f7eea41b0ef0d8cd7f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a994566930068fd6edf5342c69bc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e586121ce8e638b9d8da6d3a00f308ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-06更新
|
752次组卷
|
9卷引用:北京市昌平区2022-2023学年高一上学期期末质量检测数学试题
北京市昌平区2022-2023学年高一上学期期末质量检测数学试题北京市第一六六中学2022-2023学年高一下学期阶段性诊断考试数学试题北京市第一六六中学2022-2023学年高一下学期3月月考数学试题(已下线)1.1集合的概念(分层作业)-【上好课】(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(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)(已下线)专题02集合间的基本关系2-【倍速学习法】(人教A版2019必修第一册)(已下线)期末真题必刷压轴60题(22个考点专练)-【满分全攻略】(人教A版2019必修第一册)(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列
解题方法
2 . 集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cbcace4afbfc0f54dcc48bb0027421d.png)
,其中
为正整数.对
中的任意元素
和
,定义![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4792cb732db55a4e316194b8dce162.png)
(1)当
时,求
和
的值.
(2)当
时,
的子集
满足:对
中任意元素
和
不能被
整除,且当
时,
能被
整除.求集合
中元素个数的最大值.
(3)给定
的子集
满足:对
中任意元素
和
,当
不等于
时,
.求集合
中元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cbcace4afbfc0f54dcc48bb0027421d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6560671eeefa4dbeffee99e5b6cbb340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862fa87bae8adc1812c8a388540ffeab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e44f3369474465aead73a72de28e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4792cb732db55a4e316194b8dce162.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf566d23dea97f8fe28cebd1ed1f6b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b55e4da087f72dbae9e2b267fe8d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368f96befc97fd01907c8ee93b77654e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5946132021868ed3dd54f1c8ff8f13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368f96befc97fd01907c8ee93b77654e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)给定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c56eb0dd21760e45b92fbe0e3098786.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdff4c5bc8d38fdf36c1887e4c72f373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
名校
解题方法
3 . 对于集合A,称定义域与值域均为A的函数
为集合 A上的等域函数.①若
,则A上的等域函数有_______ 个;②若
,使
为A上的等域函数,a的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9a1e9dd14cbd2271ba2f472664ad57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c98e68600297a331aa206425a138ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c92b9847324883eeaa7002c72e7cd81.png)
您最近一年使用:0次
2022-11-04更新
|
789次组卷
|
3卷引用:北京市海淀区中国人民大学附属中学2022-2023学年高一上学期期中练习数学试题
4 . 已知集合
,
,若
中元素的个数为
,且存在
,
,使得
,则称
是
的
子集.
(1)若
,写出
的所有
子集;
(2)若
为
的
子集,且对任意的
,
,存在
,使得
,求
的值;
(3)若
,且
的任意一个元素个数为
的子集都是
的
子集,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e47c31d7dc1c02a0c01f2fdd25caa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84358a1231d0ff3e120568f41cfdedfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2ea5126ca30d68cc8b70f03860ba2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad481cbfb67ac9cdbc0537f3de23b022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8597ab330c7955d9d6ef86e8b4346e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1d221004376e8d5e29344b7756969a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834925e383a1e904951eea76b55bcb4f.png)
(1)若
![](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/e41b85f6960a2a4f988e5ddd9ef48d0e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834925e383a1e904951eea76b55bcb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd231c549ca95564b979e48c70226cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e10f2f74e201f77f853e9ed9078615c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae3b57b2ba8226b77919686f5886c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafbc94594b8c877de8883dea10e374c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834925e383a1e904951eea76b55bcb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 若集合
,其中
为非空集合,
,则称集合
为集合A的一个n划分.
(1)写出集合
的所有不同的2划分;
(2)设
为有理数集Q的一个2划分,且满足对任意
,任意
,都有
.则下列四种情况哪些可能成立,哪些不可能成立?可能成立的情况请举出一个例子,不能成立的情况请说明理由;
①
中的元素存在最大值,
中的元素不存在最小值;
②
中的元素不存在最大值,
中的元素存在最小值;
③
中的元素不存在最大值,
中的元素不存在最小值;
④
中的元素存在最大值,
中的元素存在最小值.
(3)设集合
,对于集合A的任意一个3划分
,证明:存在
,存在
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e887bc41e7c72b69482b7cb153b9f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c7bb3662baf8ab4da46099adc0180a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16c5b1cefd28f020a899803181867be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a111d44296a6d4c373e33e0267baeb8.png)
(1)写出集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbefb4190e6d31cf43ce5258ebf325c3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b064529d4274a25ea70cec901689595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c303b55101c9d049947443d85bd3d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b31852ebf26c81693dc084facc76a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a99ef56247036a98e53aa8c16c3e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48ec13d90542aaca7af71224a3d8ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2199afe5dd5ad25962537abfa209b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f351ce8d2e5f2160bf2f771642f6dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92916a0ce7c44bbd09a54a9aedd2e8ac.png)
您最近一年使用:0次
2022-07-08更新
|
1254次组卷
|
6卷引用:北京市朝阳区2021-2022学年高一下学期期末质量检测数学试题
北京市朝阳区2021-2022学年高一下学期期末质量检测数学试题北京市海淀区首都师范大学附属中学2023-2024学年高一上学期10月期中练习数学试题北京市第一七一中学2023-2024学年高一上学期12月调研数学试题(已下线)第1章 集合与常用逻辑用语(基础、典型、新文化、压轴)分类专项训练-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)高一上学期期末【压轴60题考点专练】-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】单元测试能力卷(人教B版2019)
名校
解题方法
6 . 若点
在函数
的图象上,且满足
,则称
是
的
点.函数
的所有
点构成的集合称为
的
集.
(1)判断
是否是函数
的
点,并说明理由;
(2)若函数
的
集为
,求
的最大值;
(3)若定义域为
的连续函数
的
集
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ef0287740211d65da72c0e494e630c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c111ae39998037ad9c2eef5a892b3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b820f749904501fafc23018b528ed82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)若定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92278194f93b54876e6b319995f5a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262ea17a76ec2b15e9f5c96e42ca4b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d27fb6dea56ea845f338fce3d432af9.png)
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2022-07-07更新
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1987次组卷
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8卷引用:北京市海淀区2021-2022学年高一下学期期末练习数学试题
北京市海淀区2021-2022学年高一下学期期末练习数学试题北京市第十四中学2023-2024学年高一下学期期中检测数学试卷上海市复旦大学附属中学2023届高三上学期9月月考数学试题河南省周口市淮阳区淮阳中学2022-2023学年高一上学期期末数学试题安徽省安徽师范大学附属中学2022-2023学年高一下学期3月月考数学试题(已下线)第5章 三角函数(基础、典型、易错、压轴)分类专项训练(2)广西桂林市第十八中学2023-2024学年高一下学期4月月考数学试题(A卷)(已下线)上海市高一下学期期末真题必刷04-期末考点大串讲(沪教版2020必修二)
解题方法
7 . 已知集合
.对集合A中的任意元素
,定义
,当正整数
时,定义
(约定
).
(1)若
,求
和
;
(2)若
满足
且
,求
的所有可能结果;
(3)是否存在正整数n使得对任意
都有
?若存在,求出n的所有取值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a02b715c992f112de2f9987c70a3df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af8284494c4f58fa852984085b35603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f3591879d4bacc70989aca85be2efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c54046ad997789682be07a1d47a3a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f88776c6c89617192c501dc7f5c9b46.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d64954772ca230b54f1072dc05fd1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5977a625005a82318474380d6ede73e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df70ecf992ea644da971fe695ca36aa2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af8284494c4f58fa852984085b35603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b792bda20ea741c2507be50668572260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43354369f1a232b2bcb18fffbc00b989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)是否存在正整数n使得对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733699269e98fab0eee3b98e95a7072a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8bb7f8f7baedbe05c4a6c05f0b9e6d.png)
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2022-05-17更新
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4卷引用:北京市朝阳区2022届高三二模数学试题
名校
8 . 某种信号的波形可以用函数
的图像来表达.则下列各结论正确的有___________ .
①最小正周期为
;
②对称轴为
,
;
③在
上有9个零点;
④值域
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2bc0f07b30932fc48cd902875bed83d.png)
①最小正周期为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
②对称轴为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da2c9afa7bb46a5f8f058720252b050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8a4830a9a0993a0710edf448fe7521.png)
④值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
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2022-05-02更新
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2235次组卷
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6卷引用:北京市北大附中2021-2022数学高一下学期期中数学试题
北京市北大附中2021-2022数学高一下学期期中数学试题广东省广州市白云中学2024届高三上学期12月月考数学试题广东省珠海市第一中学2024届高三上学期大湾区期末预测数学试题(一)(已下线)考点11 倍(半)角公式及其应用 --2024届高考数学考点总动员【练】(已下线)第10章 三角恒等变换 单元综合测试(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)四川省绵阳市东辰学校2024届高三下学期第二学月考试数学(理科)试题
9 . 已知非空数集
,设
为集合
中所有元素之和,集合
是由集合
的所有子集组成的集合.
(1)若集合
,写出
和集合
;
(2)若集合
中的元素都是正整数,且对任意的正整数
、
、
、
、
,都存在集合
,使得
,则称集合
具有性质
.
①若集合
,判断集合
是否具有性质
,并说明理由;
②若集合
具有性质
,且
,求
的最小值及此时
中元素的最大值的所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ce3c3ca4fd96fda84d0231ce151682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2d0cf4a9bee76b03f803ad418a8cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b6f8cb2faaad82b53b2a66ee817a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78a96152c480ec21462f47f3728ed0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2d0cf4a9bee76b03f803ad418a8cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b6f8cb2faaad82b53b2a66ee817a37.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2d0cf4a9bee76b03f803ad418a8cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5e577327d59ec0b1c030e9d30817b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e88424f659ac37a6e6fb87a8ad05d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
①若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8348dd5d3b8c0ed6a0738d31a0cf3b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
②若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e84b331478fdb1cd274fa8a939da38d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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名校
10 . 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
,集合
,
也互为等矩集;
(3)对于任意给定的正整数
,是否存在两个
元正整数集
,
互为等矩集?请说明理由.
![](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/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7bb58dca886fc65d874e2b30040c02.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b04f7ed829546d2b2260985f507f3a8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47f257943e469ce5e45bca7833d9294.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
则称
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)证明:如果集合
![](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/46b6d151d3f864bae873987f6db9327a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4aa5e7bdb273169b55570b418ed549d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6c155b4c5a6cf07d980926610a54f2.png)
(3)对于任意给定的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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