名校
1 . 设集合
,集合
.
(1)若集合
,求实数
的取值范围
(2)若集合
中只有一个元素,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bca74678992a2d7d4a11e8f36210361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2282cc2ba075f5f96cd777e5eb2357b.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a347e53d69e6279105061e656d2f5bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-07更新
|
2831次组卷
|
9卷引用:专题1.2 集合 章末检测2(中)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)
(已下线)专题1.2 集合 章末检测2(中)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(苏教版2019必修第一册)江苏省连云港市2022-2023学年高一上学期期末模拟数学试题(4)陕西省延安市第一中学2019-2020学年高一上学期第一次月考数学试题湖南省长沙市雨花区2019-2020学年高一上学期期末数学试题福建省龙岩市武平县第一中学2020-2021学年高一单元检测数学试题湖北省武汉市育才高级中学2021-2022学年高一上学期第一次月考数学试题湖南省长沙市雅礼中学2021-2022学年高一上学期第一次月考数学试题陕西省安康中学2021-2022学年高一上学期第一次月考数学试题(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)
解题方法
2 . 已知由实数构成的集合
满足:若
,且
、0,则
.
(1)求证:当
时,
中还有3个元素;
(2)设
、0均不属于
,问:非空集合
中至少有几个元素?
![](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/d9b53a13c6aa2f8f1848693da2e7687a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e7fc554a03ca64ddb4bdc1da1eacb1.png)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed961de27af72b7d11887ccfb6f15071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0262791cc14598c6fc5ed0937d0124.png)
![](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
名校
3 . 已知集合
.
(1)若
,求实数
的取值范围;
(2)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a72c3b6316bcd63ce56cbcd46b15927.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c61d0eed619a6500039502c1e4ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7065294ecd8792c333028be45e3175eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2333f966f6ec29f0661f93d99b055cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-25更新
|
1933次组卷
|
12卷引用:试卷02(1.1-1.2 集合的概念与表示及子集、全集、补集)-2021-2022学年高一数学易错题、精典题滚动训练(苏教版2019必修第一册)
(已下线)试卷02(1.1-1.2 集合的概念与表示及子集、全集、补集)-2021-2022学年高一数学易错题、精典题滚动训练(苏教版2019必修第一册)(已下线)知识点02 子集、全集、补集-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)1.2 子集、全集、补集(课堂培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)人教B版(2019) 必修第一册 必杀技 第二章 2.1.2 一元二次方程的解集及其根与系数的关系人教A版(2019) 必修第一册 必杀技 第一章 1.2 集合间的基本关系(已下线)1.2集合间的基本关系-2021-2022学年高一数学同步辅导讲义与检测(人教A版2019必修第一册)(已下线)第02讲 子集、全集、补集(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)重庆市国维外国语学校2021-2022学年高一上学期第一次月考数学试题福建省厦门第二中学2023-2024学年高一上学期9月月考数学试题(已下线)专题01 集合压轴题-【常考压轴题】(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)第一章 集合与常用逻辑用语-【优化数学】单元测试能力卷(人教A版2019)
名校
4 . 设整数
,集合
,
是
的两个非空子集,,记
为所有满足
的集合对
的个数.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3689ac11acb736513754623294f5f820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35dc0430b373aaa67a7379aeea0f9cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b58e4ba63ad66184526a2329d152319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80212fddc25b6b94ca4b88484dd114b5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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5 . 设正整数
,集合
,
是集合P的3个非空子集,记
为所有满足:
的有序集合对(A,B,C)的个数.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf41b2793efa0b332fe039341370ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02aac9ee9a68059dd93af7d6e7517561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://img.xkw.com/dksih/QBM/2019/7/11/2244569768509440/2244614889267200/STEM/76f2937c00b84d4eaaa52d7c80e4996e.png?resizew=213)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
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6 . 已知非空有限实数集
的所有非空子集依次记为
……,集合
中所有元素的平均值记为
.将所有
组成数组
……,数组
中所有数的平均值记为
.
(1)
,求
;(2)
……![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0b3797c7366b3e8e529b91d597a719.png)
,若
……
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf4e20ea341827ce5f9552daee39462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0a9523f2084cf17b8656c11ab1d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e6a2b019a4803f58f9d1357d193b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cfa8b06cc2ed7e3323fb726edb815d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264f13296143d4cc38ac1e154cba0971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cfa8b06cc2ed7e3323fb726edb815d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e23d3511f35774402cdad5e133e6d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0b3797c7366b3e8e529b91d597a719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a19bc9518862e3bc7c3495657bec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa152620e0b322267cc6e714ff75b816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7662283ac4777446531fac7ee97da9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cfa8b06cc2ed7e3323fb726edb815d.png)
您最近一年使用:0次
名校
7 . 符号
表示不大于
的最大整数(
),例如:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a212231665fde06fb4af99dbaf9f0844.png)
(1)已知
,分别求两方程的解集
;
(2)设方程
的解集为
,集合
,若
,求
的取值范围.
(3)在(2)的条件下,集合
,是否存在实数
,
,若存在,请求出实数
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a212231665fde06fb4af99dbaf9f0844.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2697d96da1f5c9a017d408a1b04062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
(2)设方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1b23da03ffc7da8607d5ee9b8687f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86eab6bdaf9c7c16d751479532843210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)在(2)的条件下,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ff1b43b6a6e375111012b49d5ed25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f569c191a60a39899b5056aaa74b9f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-03更新
|
881次组卷
|
6卷引用:专题08 《函数概念与性质》中的解答题压轴题(2)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)
(已下线)专题08 《函数概念与性质》中的解答题压轴题(2)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)江苏省苏州地区部分校2022-2023学年高一上学期10月月考数学试题上海市川沙中学2017-2018学年高一上学期期中考试数学试题沪教版(2020) 必修第一册 堂堂清 阶段测试一(已下线)第二章 等式与不等式(压轴题专练)-速记·巧练(沪教版2020必修第一册)上海市闵行区六校联考2023-2024学年高一上学期期中数学试题
8 . 已知等差数列
满足
,前8项和
.
(1)求数列
的通项公式;
(2)若数列
满足
.
① 证明:
为等比数列;
② 求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0748c346ed88f98e424de8edf278325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc87b0223fb15e20ffa231bfbdd90260.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1504951f8c1bd494700d81f84ef293f0.png)
① 证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
② 求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/335fd555bea07911f677a64127dd06a9.png)
您最近一年使用:0次
9 . 设集合
是集合
…,
的子集.记
中所有元素的和为
(规定:
为空集时,
=0).若
为3的整数倍,则称
为
的“和谐子集”.
求:(1)集合
的“和谐子集”的个数;
(2)集合
的“和谐子集”的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac09f481fe8f68b70c23ec574d25d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34afbb39cb0ae1c851faafe54fbd051e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/cf231f8f86fb922df4ca0c87f044cec3.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/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
求:(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
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名校
10 . 已知集合
的元素个数为
个且元素为正整数,将集合
分成元素个数相同且两两没有公共元素的三个集合
,即
,
,
,
,其中
,
,
,若集合
中的元素满足
,
,
,则称集合
为“完美集合”.
(1)若集合
,
,判断集合
和集合
是否为“完美集合”?并说明理由;
(2)已知集合
为“完美集合”,求正整数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50a7bca74a5e04b8b82642a9b9054d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d5add49505a286370d75c05bb37a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ed5930525a04c8fa26e535147e3085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46fdf7db887d5659fa6bfe223cc42f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a69c10cc4c8d227788f3c04890b108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027268ee20f5fe6e4397baa0ff3e2b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60d88a500f2ea391a6361a2e02a90c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cf80514989b824d320ede29acd9bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555a8d49e629a33603d44435314c4d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ca97c733e72b990f1ce7a39aea6510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7304f4a3860fb2ce6535b51166d21446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5528d8496504b48fe16e8d4990fc9380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b052876711132da9ca65a3330251bbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bc70fdaa725f9350b5a3356edeeb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2019-04-10更新
|
930次组卷
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7卷引用:江苏省无锡市辅仁高级中学2020-2021学年高一上学期教学质量评估(一)数学试题
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