1 . 集合论在离散数学中有着非常重要的地位.对于非空集合
和
,定义和集
,用符号
表示和集
内的元素个数.
(1)已知集合
,
,
,若
,求
的值;
(2)记集合
,
,
,
为
中所有元素之和,
,求证:
;
(3)若
与
都是由
个整数构成的集合,且
,证明:若按一定顺序排列,集合
与
中的元素是两个公差相等的等差数列.
![](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/88c7a43079a55f6a53b1307b2b04b55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf60f60fedb84bb62a0c00276908ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d651573ff643d295dcceafdb6f1249d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42500dfa5011086d43ef7e6dac58271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b27c12cad9040ae9698895e43903747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c9e547b17582b99e548037172eeff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7f9dc32fa86d097de2b7d78b6b487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594e60168219fdebb98b45493de0128a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc31dcdb99754fc452ff2b92a2fb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc9ec58912d76aabf278faa7bf06e45.png)
(3)若
![](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/ef96e432405a1037b5aea7514715e52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa740177330d445b0d506f3b53f9ad2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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名校
解题方法
2 . 已知由实数组成的集合
,
,又满足:若
,则
.
(1)
能否是仅含一个元素的单元素集,试说明理由;
(2)
中含元素个数一定是
个吗?若是,给出证明,若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84dededf0bca6907ca47d7ab4d8a154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74137fa46f6f3208f5924cb1b8c66b08.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2533672a7404bbe3541ea5052f4e9d4.png)
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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)
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2023-08-29更新
|
604次组卷
|
7卷引用:北师大版(2019) 必修第一册 数学奇书 学业评价(一)集合的含义
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(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】
名校
4 . 求已知集合
,且
,
,其中
,且
.若
,且对集合
中的任意两个元素
都有
则称集合
有性质
.
(1)判断集合
是否具有性质
;
(2)若集合
具有性质
.
①求证:
的最大值大于等于
;
②求
的元素个数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99644ae5f50e3871306cf0a192829e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/722bdd9ed9e5c8a2aeed8849522c0847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4462a3b08b77794b744d215f207e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5cf9c12181dd8683944b2b30bf8e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615a83b8271b6f89469a432ee1423a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b55cc720fbe517f8ba95c7e86988bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0718c72b9677524819ce2f1a62438ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dabc4ce11c65681c16a39676d29254e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4462a3b08b77794b744d215f207e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8692a851a72427d95eac78f2efd9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7426bc7343f7c515f079530f93e0c3a.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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5 . (1)如果集合
,
,证明:
.
(2)如果集合
,整数
互素,那么是否存在x,使得x和
都属于B?若存在,请写出一个;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbac178aeb4a8ae204b3b0fd6564f134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e4d63e09329906f8bea9d58d3302b5.png)
(2)如果集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf447e4f3f299ad2affb47cc6a85c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
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6 . (1)如果集合
,
,证明:
.
(2)如果集合
,整数
互素,那么是否存在x,使得x和
都属于B?若存在,请写出一个;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbac178aeb4a8ae204b3b0fd6564f134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e4d63e09329906f8bea9d58d3302b5.png)
(2)如果集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf447e4f3f299ad2affb47cc6a85c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
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2022-08-16更新
|
344次组卷
|
6卷引用:沪教版(2020) 必修第一册 达标检测 第一章 1.1 集合初步
沪教版(2020) 必修第一册 达标检测 第一章 1.1 集合初步苏教版(2019) 必修第一册 突围者 第1章 第一节 集合的概念与表示集合新定义题型专练(已下线)第01讲 1.1集合的概念(2) -【帮课堂】(已下线)第一章 集合与常用逻辑用语 章末测试(提升)-《一隅三反》(已下线)高一上学期期末复习【第一章 集合与常用逻辑用语】拔尖-举一反三系列
名校
7 . 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)
具有性质
,当
时,求集合
;
(3)①求证:
;②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a3f24673b6e954db3a8b229d8c4564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b716ca98b7c6adfe97ab44d7efbf7806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c639c7e5f1e7e7ee5d5ee2f30b155bb0.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)
![](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)
(3)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2faf3937abcb6a59071c17bc6bb10f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2d0c59eb82944a74f43aa27e8af608.png)
您最近一年使用:0次
2022-03-22更新
|
388次组卷
|
4卷引用:上海市奉贤中学2021-2022学年高一上学期10月月考数学试题
上海市奉贤中学2021-2022学年高一上学期10月月考数学试题上海市松江二中、奉贤中学、金山中学三校2022届高三下学期3月联考数学试题(已下线)第01讲 集合的含义与表示(4大考点12种解题方法)(3)(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)
8 . 记集合
.
(1)若
,求证:
;
(2)设集合
且
,若
,
,求
的取值范围;
(3)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8edb4a35ee8fc18d21348b26bbbefd2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96f3ea0467dc6393d7c4b602175a394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119c67d2cd0e136ac325abae7cadda16.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fb84c074fea379fbb972a6b1608fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5738a64c9562be3585ecde74732dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9230efa8ff1efbcc68807463b2e3667f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65493f5dd32e0903c633210cc05b1825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a015906d7d42da6b86a454d056b72bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d759b1ec7f4fa266275c32eb1398c26.png)
您最近一年使用:0次
9 . 已知集合
,且
.
(1)判断
是否为
中元素
(2)设
,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ca653cad7e7730a8e03b55d0cd1a85.png)
(3)证明:若
,则
是偶数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf7926d4460da0d09ebab079fdc13e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d72bf44a312d976cb458311c73b7fb7.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f3aa35fae3f1e1afdd5386c172d517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac385ec112e6d61b90d953e3f106ee85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ca653cad7e7730a8e03b55d0cd1a85.png)
(3)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
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名校
10 . 已知集合
,且
.
(1)证明:若
,则
是偶数;
(2)设
,且
,求实数
的值;
(3)设
,求证:
;并求满足
的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf7926d4460da0d09ebab079fdc13e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d72bf44a312d976cb458311c73b7fb7.png)
(1)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f40c24c64bbb0645fcf585f4e66872.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b5a8d36a2c51143d30ec71ecfc442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac385ec112e6d61b90d953e3f106ee85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ca653cad7e7730a8e03b55d0cd1a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bad31568137e332e7458b7ed0c99eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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