名校
解题方法
1 . 已知集合
,
,存在正数
,使得对任意
,都有
,则
的值是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ec6f9bc15b17f9bc16c32310d12af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72552b86b4558a36aac78c7148d6a6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc64bec6275d06d9d37e12062fa68e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2019-04-13更新
|
685次组卷
|
21卷引用:江苏省泰州中学2019届高三3月月考数学试题
江苏省泰州中学2019届高三3月月考数学试题2019年上海市进才中学高三上学期第一次月考数学试题(已下线)专题1 集合的概念与运算(练)-《2020年高考一轮复习讲练测》(江苏版)(已下线)专题1 集合的概念与运算(讲)-《2020年高考一轮复习讲练测》(江苏版)(已下线)专题3 第一章 集合与常用逻辑用语(单元测试)(测)-《2020年高考一轮复习讲练测》(江苏版)(已下线)考向01 集合的概念和运算-备战2022年高考数学一轮复习考点微专题(上海专用)上海海洋大学附属大团高级中学2022届高三上学期期中数学试题上海市复兴高级中学2022-2023学年高一上学期10月月考数学试题上海市金山区2022-2023学年高一下学期3月统考数学试题上海市交通大学附属中学2018-2019学年高一下学期开学考试数学试题上海市复旦大学附属中学2020-2021学年高一上学期期末数学试题上海市浦东新区新川中学2022-2023学年高一上学期期中数学试题上海市复旦中学2021-2022学年高一上学期期中数学试题上海市金山区2022-2023学年高一上学期期末数学试题(已下线)上海高二下学期期末真题精选(压轴60题35个考点专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)湖南省岳阳市2022-2023学年高一下学期期中数学试题(已下线)高一上学期期中考试填空题压轴题50题专练-举一反三系列(已下线)专题02 高一上期中真题精选-期中考点大串讲(人教A版2019必修第一册)(已下线)第一章 集合与逻辑(单元提升卷)-【满分全攻略】(沪教版2020必修第一册)(已下线)专题01集合及其表示方法2-【倍速学习法】(沪教版2020必修第一册)(已下线)期末真题必刷压轴60题(10个考点专练)-【满分全攻略】(沪教版2020必修第一册)
2 . 设
、
、
是集合,称
为有序三元组,如果集合
、
、
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6784178c027969f7ad6c6e5802d386c.png)
,且
,则称有序三元组
为最小相交(其中
表示集合
中的元素个数),如集合
,
,
就是最小相交有序三元组,则由集合
的子集构成的最小相交有序三元组的个数是________
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c199451630db4579cde45f8d316765de.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6784178c027969f7ad6c6e5802d386c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed867076058baf447c32fce2cea2257a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb8010e64b124eb2a9c3cb0d56ad1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c199451630db4579cde45f8d316765de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4c1cc01a29960cd990ae81f1c80b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9a1e9dd14cbd2271ba2f472664ad57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec48671d87f958805cd280fec9c220fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d874cb6b8c25ab9634942d8604d3a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4799efe552362da99b08fa6f48e54000.png)
您最近一年使用:0次
名校
解题方法
3 . 给定整数
(
),设集合
,记集合
.
(1)若
,求集合
;
(2)若
构成以
为首项,
(
)为公差的等差数列,求证:集合
中的元素个数为
;
(3)若
构成以
为首项,
为公比的等比数列,求集合
中元素的个数及所有元素之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e53e63811f83121eba1ca9efb17515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54d41b965c7b1771c84fabb87ae6258.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f77cadcea108fc0b1f680a8840a274c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9304e71a623c4412188a800046a970d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627a57cd9fdb1f586f35d9825b6bcc0b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9304e71a623c4412188a800046a970d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2019-02-01更新
|
575次组卷
|
6卷引用:上海市七宝中学2020届高三上学期11月月考数学试题
上海市七宝中学2020届高三上学期11月月考数学试题北京市密云区第二中学2024届高三上学期10月月考数学试题上海市黄浦区2019届高三第一学期(1月)期末调研测试数学试题北京市东城区景山学校2021届高三上学期期中数学试题(已下线)北京市海淀区2023届高三上学期期末练习数学试题变式题16-21上海市曹杨二中2019-2020学年高二上学期期末数学试题
名校
4 . 已知非空集合
满足以下两个条件:
(ⅰ)
,
;
(ⅱ)
的元素个数不是
中的元素,
的元素个数不是
中的元素,
则有序集合对
的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(ⅰ)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312d12edaefe038b13a837a83c8be9e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(ⅱ)
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
则有序集合对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-11-18更新
|
3712次组卷
|
26卷引用:【全国百强校】北京市101中学2019届高三10月数学(理)统练试题(5)
【全国百强校】北京市101中学2019届高三10月数学(理)统练试题(5)【全国百强校】湖南省长沙市长郡中学2019届高三下学期第六次月考数学(理)试题北京市门头沟区大峪中学2022届高三10月第一次月考数学试题北京师范大学附属实验中学2022届高三12月统一练习数学试题北京师大实验中学2022届高三12月份月考数学试题北京市海淀区2018届高三上学期期中考试数学(理)试题北京理工大学附属中学2022-2023学年高一上学期10月月考数学试题北京市首都师范大学附属中学2022-2023学年高一上学期10月月考数学试题北京名校2023届高三二轮复习 专题三 集合与数列 第3讲 集合与数列创新题上海市上海师范大学附属中学2019-2020学年高一上学期期中数学试题上海市上海师范大学附属中学2019-2020学年高一下学期期中数学试题(已下线)第一章测评-【新教材】北师大版(2019)高中数学必修第一册练习四川省阆中中学2020-2021学年高一上学期开学考试数学试题上海市徐汇区上海中学2020-2021学年高一上学期期中数学试题(已下线)第1章+集合单元测试(重点卷)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)(已下线)知识点01 集合的概念与表示-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1章 集合 单元综合检测(单元培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)(已下线)卷03 集合与常用逻辑用语 章末复习单元检测(难)-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)(已下线)第01讲 集合的概念与表示(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)知识点03 交集、并集-【提升专练】2021-2022学年高一数学新教材同步学案+课时对点练(苏教版2019必修第一册)北师大版(2019) 必修第一册 突围者 第一章 第一节 课时3 集合的基本运算—交集与并集沪教版(2020) 必修第一册 领航者 一课一练 第1章 单元测试(已下线)1.3 交集、并集北京市第一五六中学2022-2023学年高一上学期期中考试数学试题(已下线)第1章 集合与逻辑(单元提升卷)-2022-2023学年高一数学考试满分全攻略(沪教版2020必修第一册)(已下线)上海高一上学期期中【压轴42题专练】(1)
名校
5 . 设集合
,
.记
为同时满足下列条件的集合
的个数:①
; ②若
,则
;③若
,则
.
则(1)
=_____________ ;
(2)
的解析式(用
表示)
=_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d3dbb3c1a439b9416eee4bf0bc405d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559f6138fcea469489ef4399402f4b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d069424e6419e4256558b5693eec02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c2bb7be2e9410a16502268fd4c67be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f648193951b7703041e6f35a0fb2cd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbf40fc98cad124b3d9e0bcee9dae5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19e9356d099e523326b515b20270aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67aa1c1e3b5a8630d07a513ed6687b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8178576899846bc075acd8e88840a5.png)
则(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2294823cc98d020eb337d1f92d25a208.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d069424e6419e4256558b5693eec02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c126f1efff806ca5aa75cbec3f137726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d069424e6419e4256558b5693eec02.png)
您最近一年使用:0次
2017-11-28更新
|
948次组卷
|
5卷引用:北京市海淀区中国人民大学附属中学2019-2020学年高三上学期10月月考数学试题
名校
6 . 设
是由
个有序实数构成的一个数组,记作
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f514fd4b05c3174601a5d793f1dd9f0.png)
称为数组
的“元”,
称为
的下标,如果数组
中的每个“元”都是来自数组
中不同下标的“元”,则称
为
的子数组,定义两个数组
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979d8da595088ad5fdeb7c1c1a5eb7a.png)
的关系数为
;
(1)若
,
,设
是
的含有两个“元”的子数组,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce9afb03546fc8f61874a087a0d24e.png)
的最大值;
(2)若
,
,且
,
为
的含有三个“元”
的子数组,求
的最大值;
(3)若数组
中的“元”满足
,设数组![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c00feaa470ac6b13a6d5fee720fe5.png)
含有
四个“元”
,且
,求
与
的所有含有三个“元”
的子数组的关系数的最大值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1b7e8ddb8c23733d2130411bb3f226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f514fd4b05c3174601a5d793f1dd9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c59e1cc0af72539dfde156a92090d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c3af219cfbba8e83e2445a8b2e6d1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979d8da595088ad5fdeb7c1c1a5eb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa84fced8d6a4e2aceebd5f283eba3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f009ed2caec247d38e1d2634d38728.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baafaf44bfc4465bf27609b5074d36d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84db1e50fa9758c98eeeeb23cf915218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce9afb03546fc8f61874a087a0d24e.png)
的最大值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afb01638df223c961aa642a81a34c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a320289ced1c5d9f21f64798b6d9da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f9223bc24df8d429d743692fff7c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
的子数组,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce9afb03546fc8f61874a087a0d24e.png)
(3)若数组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269b6323a15f70e67290637cb94ebf9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a875cb417fccdeed5374f1a9201f97ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c00feaa470ac6b13a6d5fee720fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d0aea7b7bcbd8bf1ef02c406f601ec.png)
四个“元”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd32d673b7d927a36f8ce7069b685b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f319f61918e56005b85ac9122be987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c00feaa470ac6b13a6d5fee720fe5.png)
的子数组的关系数的最大值;
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名校
7 . 设集合
是实数集
的子集,若点
满足:
,都
,使得
,则称
为集合
的聚点.则在下列集合中:
①
; ②
;
③
; ④整数集
.
以
为聚点的集合有___________ .(请写出所有满足条件的集合的编号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb2a6a099c8734476ff43de1a8adebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77cca6c2587565ec94e45dced762e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cda2c2f61ea05fc8c8441fb3840e634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c025875aefba1eaeabf6ba14a09536e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9bec411b8dda78359b7b21f219674e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebc1f97692375aa7a58d1812444a105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2077e5032491293f8181c4fc3bcf360a.png)
以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
您最近一年使用:0次
2018-04-05更新
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723次组卷
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3卷引用:北京市京源学校2017-2018学年高三十月月考数学试题
名校
8 . 对于集合M,定义函数
对于两个集合M,N,定义集合
已知
4,6,8,
,
2,4,8,
.
Ⅰ
写出
和
的值,并用列举法写出集合
;
Ⅱ
用
表示有限集合M所含元素的个数,求
的最小值;
Ⅲ
有多少个集合对
,满足P,
,且
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2f1ea26dd6c8fe257519485bd9f85e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de17a2a9da7c8b8e3f5fd31747d047e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b988512fcb58378914a3e607a445fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01733e7e6009faa5743d33db8c4e9e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fe0ff9d5afe6efcbe9adaaca8e7694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24be9168f76269836da8da20e6f41031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1670abde0249898ab79c7999ef393b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a13c33c7ac4c5c501be9bf2cd46817e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f412f788c6a626e6e67d0c5e10959d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fb3b11f21e416074917087acf27076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5ac72e9f21a21a5918b41c10c10dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd9dea40ee5e01fbc002e1a83e44b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87856e293aa4c76b5e48bfeba6dc9b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf316d66ba3f27706f32b1436d200e03.png)
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2017-10-15更新
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843次组卷
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7卷引用:北京市第八中学2019届高三上学期10月月考数学(理)试题
9 . 在平面直角坐标系中,定义
为两点
之间的“折线距离”,则下列命题中:
①若
,则有
;
②到原点的“折线距离”等于
的所有点的集合是一个圆;
③若
点在线段
上,则有
;
④到
两点的“折线距离”相等的点的轨迹是直线
.
真命题的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45339283290a380c65338790e71648e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455bae796d928c3c4d9090e924259628.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dfcbb58b9f7bfa210cc4c402bdee21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb52509f0f5cf129471e0d5e2a55dd26.png)
②到原点的“折线距离”等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88bc23a08b4df25ae5f9d20dd00c2bc.png)
④到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af2742c3570c1dcbcf1e2a140c877ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
真命题的个数为
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-06-13更新
|
2048次组卷
|
10卷引用:河北省保定市2017届高三下学期第二次模拟数学(文)试题
河北省保定市2017届高三下学期第二次模拟数学(文)试题北京市中国人民大学附属中学2023届高三上学期数学统练四试题北京市一零一中学2023届高三下学期统练数学试题(一)河北省保定市2017届高三二模文科数学试题江西省金溪县第一中学2016-2017学年高二下学期第二次月考(5月)数学(文)试题河北省邢台市第二中学2017届高三上学期第三次模拟数学(文)试题河北省邢台市第二中学2018届高三上学期第三次模拟数学(文)试题北京市海淀区首都师范大学附属中学2023届高三下学期2月阶段性质量检测数学试题(已下线)第五篇 向量与几何 专题19 抽象距离 微点4 抽象距离综合训练(已下线)2017-2018学年度下学期高中期末备考【通用版】高二【精准复习模拟题】B【提高卷01】【文科数学】(教师版)
名校
10 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bc24b06e0abd218044a27f597fa9e5.png)
.对于
,
,定义
与
之间的距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a724e5071732f90d91d468389e8e956a.png)
.
(1)写出
中的所有元素,并求两元素间的距离的最大值;
(2)若集合
满足:
,且任意两元素间的距离均为2,求集合
中元素个数的最大值并写出此时的集合
;
(3)设集合
,
中有
个元素,记
中所有两元素间的距离的平均值为
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bc24b06e0abd218044a27f597fa9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855ce769f6795d1463744a0d74901fb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f0f12e1350ca9c2a81b6c36a840365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3bd6eccfd88084fd4b0c89c4c709d7f.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/a724e5071732f90d91d468389e8e956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3244bd0e909db80eb9e3ea79303b8351.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b626a2cad742c6613dc283fdab1e833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d7fa8a17135961c9c582f11d2e16cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1071ac8657ef1c4e1ea7e0530196298d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423cc16756424271a003917fbca775b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b67a5d723be5756086feeff090fe693.png)
您最近一年使用:0次
2017-04-06更新
|
958次组卷
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2卷引用:北京市第八十中学2022届高三上学期10月月考数学试题