名校
解题方法
1 . 已知
元正整数集合
满足:
,且对任意
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453e81d3dacb5e2e527b8daebcf19fc9.png)
(1)若
,写出所有满足条件的集合
;
(2)若
恰有
个正约数,求证:
;
(3)求证:对任意的
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5fcfc55b56f04ac530871067e5ce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5ba5a3d48da1d7f3952c013a5ee0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139ae1c18e2cded6d04808a3aa24c6bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c7cb34e9b5c1ecd75ff1966e882ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453e81d3dacb5e2e527b8daebcf19fc9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7334c46af837676ada9575630a48d60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7979eac1b85b681ba94bf8d833c5c6e7.png)
(3)求证:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa673986cef1873a421a572abf9ed71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cee7a77f2f4592cb5c96245ff025f8.png)
您最近一年使用:0次
名校
2 . 对于数集
(
为给定的正整数),其中
,如果对任意
,都存在
,使得
,则称
具有性质
.
(1)若
,且集合
具有性质
,求
的值;
(2)若
具有性质
,求证:
;且若
成立,则
;
(3)若
具有性质
,且
为常数,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4622c700325a90d453e6300b886a8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc1a0bba5e6e8ddf6f1f60f78e6490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887982e3735dd7ca13293338a12df593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dbbefb5a9955cdbe090c5f0b8a8d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cbab5722e0fb2df79a07cfe8f1164b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864dd49f786346bc320deace92f949b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551ee6e86b2c6e79236dfe3e2e2c24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346549f9adda7eb363f16d355ae68b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cf27bef9cafda3dd897e29f3fe1df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
您最近一年使用:0次
3 . 设集合S中的元素全是实数,且满足下面两个条件:
①
;②若
,则
.
(1)求证:若
,则
;
(2)若
,则在S中必含有其他的两个元素,试求出这两个元素.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b370157afe7d609dde703d1821b739f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09256752badab8d69ae679796896ed97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6db9323925a78926837d0870f2906b.png)
(1)求证:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09256752badab8d69ae679796896ed97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59292338a61c81abb31c04eebe73c033.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ea9a804573617cb3e9414c9a74925b.png)
您最近一年使用:0次
2023-08-29更新
|
600次组卷
|
7卷引用:专题01 集合及集合运算求参(2)-【寒假分层作业】(人教A版2019必修第一册)
(已下线)专题01 集合及集合运算求参(2)-【寒假分层作业】(人教A版2019必修第一册)(已下线)1.1 集合的概念【第三练】北师大版(2019) 必修第一册 数学奇书 学业评价(一)集合的含义(已下线)1.1.1 集合及其表示方法(第1课时)-高一数学同步精品课堂(人教B版2019必修第一册)(已下线)高一上学期期中复习【第一章 集合与常用逻辑用语】十大题型归纳(基础篇)-举一反三系列(已下线)专题01 集合及集合运算求参(2)(已下线)高一上学期期末复习【第一章 集合与常用逻辑用语】基础-举一反三系列
名校
4 . 已知集合
,对于
,
,定义A与B的差为
,A与B之间的距离为
.
(1)直接写出
中元素的个数,并证明:任意
,有
;
(2)证明:任意
,有
是偶数;
(3)证明:
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb64b23cfbc03c6ac0372a87bf81e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0135cb7ffda469b422df0aa1817d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c76f1774902da4c8da18791b5a35c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f960a435af66d6f53c96cf5d0d7ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ebc8c7e32c1b561a908a36cfa2cbb5.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e77ba8c90d21237670483bbcd8ac63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a0663324985d2901305e58b066e763.png)
(2)证明:任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81345ca73b711411e665820b5672913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639d6bbfe09dcd8af9c993a086b25105.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac18fa333be06b2ba3711b0c7171913.png)
您最近一年使用:0次
名校
解题方法
5 . 设k是正整数,A是
的非空子集(至少有两个元素),如果对于A中的任意两个元素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
.证明:A不可能具有性质
.
(3)若
且A具有性质
和
.求A中元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858911660b233271d57b17e358232d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3cf0ebf259b9007acfffe8b6940abc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46bf6ded2f869744c6c50785f974aa6.png)
(1)试判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d167be863d109213bd07becd62b74d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73a7a7e9ecb2c8296e505e5409fb2ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11d851264c4ef68ea96f895c0136d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7470297de40027847c5c73fc5d1719c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bacd2a1627ef91a38a03ac4e32adc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c414a10d73f453fc1109e5b2243d2369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1832cb6b4e96e3d4f34d79b0e88854.png)
您最近一年使用:0次
6 . 对于数集
(
为给定的正整数),其中
,如果对任意
,都存在
,使得
,则称X具有性质P.
(1)若
,且集合
具有性质P,求x的值;
(2)若X具有性质P,求证:
;且若
成立,则
;
(3)若X具有性质P,且
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4622c700325a90d453e6300b886a8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc1a0bba5e6e8ddf6f1f60f78e6490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887982e3735dd7ca13293338a12df593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dbbefb5a9955cdbe090c5f0b8a8d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cbab5722e0fb2df79a07cfe8f1164b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864dd49f786346bc320deace92f949b0.png)
(2)若X具有性质P,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7551ee6e86b2c6e79236dfe3e2e2c24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346549f9adda7eb363f16d355ae68b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
(3)若X具有性质P,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573502cfaa4baf7c0db4b4a294015f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
您最近一年使用:0次
7 . 拓扑学是一个研究图形(或集合)整体结构和性质的一门几何学,以抽象而严谨的语言将几何与集合联系起来,富有直观和逻辑.已知平面
,定义对
,
,其度量(距离)
并称
为一度量平面.设
,
,称平面区域
为以
为心,
为半径的球形邻域.
(1)试用集合语言描述两个球形邻域的交集;
(2)证明:
中的任意两个球形邻域的交集是若干个球形邻域的并集;
(3)一个集合称作“开集”当且仅当其是一个无边界的点集.证明:
的一个子集是开集当且仅当其可被表示为若干个球形邻域的并集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e7cbf6370f2b5c37816278c4d52324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd50ba95ce394ae2cc7d8953268cad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528fd55bccdd48b002249e27153164dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e93599300cd0cc2ee3747a0a1a01a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331b36f89fa4fc1a314bd2fb469b6756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f853b9d71837401854312c2a3a2012d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663819fd38d196961788cad4e2e039a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c4e98464e40174ae21e741ae79dea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678bfef0c3cf7ee6438c64d20ab44617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd934b73981f16a85a9a9d6554ec9791.png)
(1)试用集合语言描述两个球形邻域的交集;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1985327691201a2fbcbb27689f2015.png)
(3)一个集合称作“开集”当且仅当其是一个无边界的点集.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1985327691201a2fbcbb27689f2015.png)
您最近一年使用:0次
名校
8 . 设集合
为
元数集,若
的2个非空子集
满足:
,则称
为
的一个二阶划分.记
中所有元素之和为
中所有元素之和为
.
(1)若
,求
的一个二阶划分,使得
;
(2)若
.求证:不存在
的二阶划分
满足
;
(3)若
为
的一个二阶划分,满足:①若
,则
;②若
,则
.记
为符合条件的
的个数,求
的解析式.
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e05aa7f57c4914f5248f44b09def2c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.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/20106a23af649dffb3571082e5a9cfdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09f78031a7d18c8f8ddf04bffd1871.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43de850d8546d0933b37846a84f90bc5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76be59eef5f019579f1f5b936b98b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41212f1139ba1b062d7f40ec7120a9bf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12f339b0f68f0739fdfcb39ec4f7eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10732f3fb10019cb15c3c46d118f7da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f19c9afadbf80e1e6b5b3a673e6270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
您最近一年使用:0次
2023-07-17更新
|
543次组卷
|
5卷引用:专题03 函数的概念与性质3-2024年高一数学寒假作业单元合订本
(已下线)专题03 函数的概念与性质3-2024年高一数学寒假作业单元合订本北京市顺义区2022-2023学年高一下学期期末质量监测数学试题重庆市南开中学校2023-2024学年高一上学期开学考试数学试题(已下线)难关必刷01集合的综合问题(3种题型40题专项训练)-【满分全攻略】(人教A版2019必修第一册)(已下线)第三章 函数的概念与性质-【优化数学】单元测试能力卷(人教A版2019)
名校
解题方法
9 . 设集合
,如果对于
的每一个含有
个元素的子集P,P中必有4个元素的和等于
,称正整数
为集合
的一个“相关数”.
(1)当
时,判断5和6是否为集合
的“相关数”,说明理由;
(2)若
为集合
的“相关数”,证明:
;
(3)给定正整数
,求集合
的“相关数”m的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfaf890572dd4d18e052c7f1b710a42f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a29fef95ed54dcf5c653749f5e9d232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebb4fc3cab7c95de0b0729d3a67eff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41505e5e2ee8177abc71e367a0f9d53e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a29fef95ed54dcf5c653749f5e9d232.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f762938f5c78eb72bafbb13bf85cba1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a29fef95ed54dcf5c653749f5e9d232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384e115ed1afd6a5ad426c966f639b52.png)
(3)给定正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a29fef95ed54dcf5c653749f5e9d232.png)
您最近一年使用:0次
2023-08-27更新
|
562次组卷
|
6卷引用:专题01 集合及集合运算求参(2)-【寒假分层作业】(人教A版2019必修第一册)
(已下线)专题01 集合及集合运算求参(2)-【寒假分层作业】(人教A版2019必修第一册)(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)北京市西城区2017届高三二模数学理科试题北京市西城区2017届高三5月模拟测试(二模)数学理试卷北京市景山学校2022届高三上学期期中考试数学试题(已下线)专题01 集合及集合运算求参(2)
名校
10 . 已知有
个连续正整数元素的有限集合
(
,
),记有序数对
,若对任意
,
,
,
且
,A同时满足下列条件,则称
为
元完备数对.
条件①:
;
条件②:
.
(1)试判断是否存在3元完备数对和4元完备数对,并说明理由;
(2)试证明不存在8元完备数对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244a73e2cab2b626e12058164680d7cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6526915197667b48dc2e6c1ff413bcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4a8ca987823fe459fafc1c4fd057d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9458be5eac5e4b7fbd28850e43d96f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba54a91d651db38d3a13a461252223e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a205f096c854a2f7cd71255056f9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9169084fc046cdf9b9831f4030f58217.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34affbf06b09098b13a5b89c0989fb8.png)
(1)试判断是否存在3元完备数对和4元完备数对,并说明理由;
(2)试证明不存在8元完备数对.
您最近一年使用:0次
2024-02-23更新
|
274次组卷
|
2卷引用:北京市通州区2023-2024学年高一上学期期末质量检测数学试卷