1 . 对于任意有限集
,定义集合
表示
的元素个数.已知集合
为实数集
的非空有限子集,设集合
.
(1)若
,求集合
和
;
(2)已知
为有限集,若
,证明:
.
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185f1dec719b499d236ee7accaed0907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c7673f4ca064bb1097f95523bf47cc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab403f48a374c87fefc0c24923a063a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9281c61411eceeecf11c1f6ac31c2eec.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eccd49c9b9e3663880dac5b3029972a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2198afa66c6a0cf4bb1698884da212.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09231ce23847f1780d130475ee341c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ddc772b27a6a72d3d6295f75e21298.png)
您最近一年使用:0次
2022-11-11更新
|
493次组卷
|
5卷引用:上海市行知中学2022-2023学年高一上学期期中数学试题
上海市行知中学2022-2023学年高一上学期期中数学试题(已下线)期中真题必刷压轴30题-【满分全攻略】(沪教版2020必修第一册)北京市陈经纶中学2022-2023学年高一上学期12月诊断数学试题(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)(已下线)期中真题必刷压轴60题(15个考点专练)-【满分全攻略】(人教A版2019必修第一册)
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2 . 对于一个数集
,若满足下列条件:①
中至少有两个非零元素;②
;③任取
中的两个非零元素,它们加、减、乘、除后的结果都仍属于
,则称数集
为数域,如有理数集
为有理数域,实数集
为实数域.
(1)证明整数集
不是数域;
(2)判断集合
是否为数域,并说明理由;
(3)若
为任意两个数域且
中至少存在两个非零元素,判断
是否为数域,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca05074e5a317ae45d073962bdf74dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)证明整数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
(2)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddf63bde6be124c5037dee2130770ff.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0899a23c018a1f574b02688c23529d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98119b025fefb8e997e2432d4e10d9cb.png)
您最近一年使用:0次
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3 . 已知集合
具有性质
:对任意
,
(
),
与
至少一个属于
.
(1)分别判断集合
,与
是否具有性质
,并说明理由;
(2)证明:
;
(3)
具有性质
,当
时,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45a296e38b585f04206530b9e53d36f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18db8b768e5060b3471415e4b55ac30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059a6c5a965c335b8da05e697da2c7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13ee542834ccbb57fcc55b1680ca9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)分别判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b42882dd156f60b1bbcc394155ee88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9bf9b7e8523d5cdca10de9ae70770e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2faf3937abcb6a59071c17bc6bb10f6.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d020cd453031ae9eede7961ec78f21a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d8e8f821111de8075e5c3dfb22a5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2022-11-08更新
|
310次组卷
|
3卷引用:上海市光明中学2022-2023学年高一上学期10月月考数学试题
4 . 已知集合
,设A是S的至少含有两个元素的子集,对于A中的任意两个不同的元素
,若
都不能整除
,则称集合A是S的“好子集”.
(1)分别判断数集
与
是否是集合S的“好子集”,并说明理由;
(2)证明:若A是S的“好子集”,则对于A中的任意两个不同的元素x,
,都有
;
(3)求集合S的“好子集”A所含元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54730b349603779705381ecfaa3d114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7f07dd4a224f90b28ca7d711e3efdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
(1)分别判断数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef27cd09f4ecc055fd7e72b3b368e5df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91edb18f49d6acc68a3d8d1a1be6a5b.png)
(2)证明:若A是S的“好子集”,则对于A中的任意两个不同的元素x,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddc8b4ed2041296890090da616d49f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4be7ed8ae7440b7b7efae8889cc510.png)
(3)求集合S的“好子集”A所含元素个数的最大值.
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5 . 对于正整数集合
,记
,记集合
所有元素之和为
,
.若
,存在非空集合
、
,满足:①
;②
;③
,则称
存在“双拆”.若
,
均存在“双拆”,称
可以“任意双拆”.
(1)判断集合
和
是否存在“双拆”?如果是,继续判断可否“任意双拆”?(不必写过程,直接写出判断结果);
(2)
,证明:
不能“任意双拆”;
(3)若
可以“任意双拆”,求
中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ea2881211e9974998bbf1b6fde02ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18092168088b399de1c2d765cc0aad06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/961240074ef9851fe26f93d35cb94adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375fae50ad1b3d14c011673110256fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a82f4f602933ea0b10f9eb8e63ce186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bef6656e3bcaf95b20f06773ee256bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dd183310dbf9e6529405574cefc9b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cd2052417ccb1650cc533f62273aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536709af74dd33236a7dcc13cee3933f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1752a1d13ec6a233405fce4d5af61d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2022-11-04更新
|
574次组卷
|
6卷引用:第一章 集合与逻辑(压轴题专练)-速记·巧练(沪教版2020必修第一册)
(已下线)第一章 集合与逻辑(压轴题专练)-速记·巧练(沪教版2020必修第一册)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北京市海淀区二十中学2022-2023学年高一上学期阶段性检测(12月月考)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)北京市顺义区第一中学2023-2024学年高一上学期期中考试数学试题北京市第二中学2023-2024学年高一上学期第一学段考试数学试卷
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6 . 已知集合M,对于它的非空子集A,将A中每个元素k都乘以
后再求和,称为A的“元素特征和”. 比如∶A={4}的“元素特征和”为
×4=4,A={1,2,5} 的“元素特征和”为
,那么:
(平行班)集合
的所有非空子集的"元素特征和"的总和为_______
(实验班)集合
的所有非空子集的“元素特征和”的总和为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2e6d7c4bf87fca284293400630b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2e6d7c4bf87fca284293400630b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7841fb4b176285ae999d2ca7708acf.png)
(平行班)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79e8c32ba4e751af61930747e2c4a3e.png)
(实验班)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56c7be69bdd767c945b5b56d74a4617d.png)
您最近一年使用:0次
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解题方法
7 . 设
为非空集合,定义
(其中
表示有序对),称
的任意非空子集
为
上的一个关系.例如
时,
与
都是
上的关系.设
为非空集合
上的关系.给出如下定义:①(自反性)若对任意
,有
,则称
在
上是自反的;②(对称性)若对任意
,有
,则称
在
上是对称的;③(传递性)若对任意
,有
,则称
在
上是传递的.如果
上关系
同时满足上述3条性质,则称
为
上的等价关系.任给集合
,定义
为
.
(1)若
,问:
上关系有多少个?
上等价关系有多少个?(不必说明理由)
(2)若集合
有
个元素
,
的非空子集
两两交集为空集,且
,求证:
为
上的等价关系.
(3)若集合
有
个元素
,问:对
上的任意等价关系
,是否存在
的非空子集
,其中任意两个交集为空集,且
,使得
?请判断并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5993d7b820c0b182711674de0d85a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95c06ed271ff0a6407a3bf5deec5871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95c06ed271ff0a6407a3bf5deec5871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978ef4aebb02ab0320e8ff61d7195392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba8172b545998849067b299ac4949fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddf512fd22bcd30c39da2a8ef41a82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd8717bdcfbc527676ae2a80285881e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7d20713240ffa343a7b7b8da43c577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532da63ac3aa945328904b9db8b05bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928008f619c199d9375b03b63f17f0c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248bff56f76fc98ac9e16b2c751bc142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256b72e8048ad33ee1f6919b04b70ab7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若集合
![](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/ce642b73be99b3c1a8c5dd38ec58eb28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9434f864089388016b3125ac2b0e0185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83ac2d6c698a0ce0dce45a8682a5532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e1bef74b304061b73a02892bbf3449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若集合
![](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/ce642b73be99b3c1a8c5dd38ec58eb28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9434f864089388016b3125ac2b0e0185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83ac2d6c698a0ce0dce45a8682a5532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e1bef74b304061b73a02892bbf3449.png)
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名校
8 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99dd46e001c117104353b2e41867994e.png)
,
,
,对任意
,定义
.若存在正整数
,使得对任意![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff430dfb9275eed8c6e0cbe671a2798.png)
,都有
,则称集合
具有性质
.如集合
、
都具有性质
.记
是集合
中的最大值.
(1)判断集合
和集合
是否具有性质
(直接写出结论);
(2)若集合
具有性质
,求证:
和
;
(3)若集合
具有性质
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99dd46e001c117104353b2e41867994e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ef42f964d02549eec898b0d3f0588e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20e326e8f60f19e64e32c584ccfc40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a703c80c9a9624b08ada02523257b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff430dfb9275eed8c6e0cbe671a2798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ff43ffdcc8b03787a1faa6509d79c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff430dfb9275eed8c6e0cbe671a2798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db67bc808e5b3a6ba3f7691a50d20957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20362ac95ee78ef94caeb0579bb40bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1baf30f84a1797c8e345c624e6cab1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cd2052417ccb1650cc533f62273aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10cda3e056f1db8777f3c322165bb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287adcb739a4890d108dd974358345fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b87cd94fef6e528d0913bb1b7b53de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be13762bee8c87a904b93379c76ac8b.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6d9e9e68d8fa416188fe9c5efafae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2309c5526d918b1e6d456a999ab88c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287adcb739a4890d108dd974358345fa.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e296d9adecd44ddd36ec145dcf9dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67f80a1f6a8c236559e2fa55feb9ee1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923eed4cf08e8bef3e7a61ce3ba48d62.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3b97c217370c2b3d22e6738006cc2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d5ade4406641db15a62630f06e4201.png)
您最近一年使用:0次
2022-12-26更新
|
424次组卷
|
4卷引用:上海市曹杨第二中学2021-2022学年高一上学期期中数学试题
上海市曹杨第二中学2021-2022学年高一上学期期中数学试题(已下线)第1章 集合与逻辑 单元测试(单元重点)--高一数学同步精品课堂(沪教版2020必修第一册)上海师范大学附属中学闵行分校2023-2024学年高一上学期期中数学试题广西名校2024届高三高考模拟猜题试卷
9 . 已知集合
,
、
、
满足:①
;②每个集合都恰有5个元素.集合
中最大元素与最小元素之和称为
的特征数,记为
,则
的值不可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1410c1895cfdff9c25481f1f3b2dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d343d79a12548d8e4f5b1dd6dd9bf2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55cec51e3269da8850f98121dc10d31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd0eef0ef2ba8d61bca3b917d3aeb91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eced34833fc5ee8ad2c6817ced270988.png)
A.37 | B.39 | C.48 | D.57 |
您最近一年使用:0次
2022-12-26更新
|
961次组卷
|
7卷引用:上海市曹杨第二中学2021-2022学年高一上学期期中数学试题
上海市曹杨第二中学2021-2022学年高一上学期期中数学试题(已下线)难关必刷01集合的综合问题(3种题型30题专项训练)-【满分全攻略】(沪教版2020必修第一册)(已下线)重难点02 集合中的创新问题(2)-【帮课堂】高一数学同步学与练(苏教版2019必修第一册)(已下线)高一上学期第一次月考选择题压轴题50题专练-举一反三系列山西省实验中学2023-2024学年高一上学期第一次月考数学试题(已下线)专题01 集合及集合运算求参(1)(已下线)专题01 集合及集合运算求参(1)-【寒假分层作业】(人教A版2019必修第一册)
名校
解题方法
10 . 设集合
为非空数集,定义
,
、
,
,
、
.
(1)若
,
,写出集合
、
;
(2)若
,
,
,
,
,且
,求证:
;
(3)若
,
且
,求集合
元素个数的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd459012e02fb4ee4ba717e4f796333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b760374cbc66c4f69ac0928c1762bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833d2c2b4814d6b1fd5b1819595c461c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b760374cbc66c4f69ac0928c1762bbe.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f20250103ee55be5807172915e6ce840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659ce142c5578c660dcadacb81b8d7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b26ea9b3e6e286874c5dca1badea723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16289945d1d1c529fb1bfd4d828f413.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594bb2f36b66f2d995222145612e8217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec733ccf28e47e673cb7d4a73be08a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bef91838216aafb6e3819baace4f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457182a8f3f9f980d60a15d97fdb2243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1868c8a0db983c9cc2695294fa03b1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90025e40ca7d100ee39c45afe55b827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf44db93ea5947f75d513b52a91ee4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0547485cc777072605fac19af059e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2022-02-14更新
|
1249次组卷
|
6卷引用:上海市黄浦区大同中学2021-2022学年高一上学期期中数学试题
上海市黄浦区大同中学2021-2022学年高一上学期期中数学试题(已下线)上海高一上学期期中【压轴42题专练】(2)(已下线)第1章 集合与逻辑(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(沪教版2020必修第一册)(已下线)专题03集合的运算2-【倍速学习法】(沪教版2020必修第一册)(已下线)专题01集合及其运算-2022年新高三数学暑假自学课精讲精练第1章 集合 单元综合检测(难点)