名校
1 . 给定全集
,非空集合
满足
,
,且集合
中的最大元素小于集合
中的最小元素,则称
为
的一个有序子集对,若
,则
的有序子集对的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45020afb5156159ad42add5537797ee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c38edfcbc6d0348a9fc75376f629909.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/41be4f4fbf21555f325caf280c392c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1f111415ece207aad8e2320185330d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
A.16 | B.17 | C.18 | D.19 |
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2017-10-19更新
|
2493次组卷
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14卷引用:河南省八市2017-2018学年度高一上期第一次质量检测数学试题
河南省八市2017-2018学年度高一上期第一次质量检测数学试题湖南师范大学附属中学2017-2018学年高一上学期第一次阶段性检测数学试题【校级联考】安徽省定远重点中学2018-2019学年高一上学期第三次月考数学试题湖北省宜昌市第二中学2019-2020学年高一上学期10月月考数学试题湖北省武汉为明学校2019-2020学年高一上学期第一次阶段考试数学试题(已下线)第一章 集合(提分小卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(苏教版2019必修第一册)(已下线)专题05 集合与常用逻辑用语压轴题型汇总-2021-2022学年高一《新题速递·数学》(人教A版2019)江苏省苏州市常熟中学2021-2022学年高一上学期10月阶段学习质量检测数学试题湖北省十堰市柳林中学2022-2023学年高一上学期10月第一次月考数学试题广东省东莞外国语学校2022-2023学年高一上学期第一次段考数学试题山东省“学情空间”联考2021-2022学年高二下学期5月质量检测 数学试题(A)广东省深圳市宝安区宝安中学2023-2024学年高一上学期10月月考数学试题湖南省株洲市第八中学2023-2024学年高一上学期9月月考数学试题(已下线)第一章 集合与常用逻辑用语(压轴题专练)-速记·巧练(人教A版2019必修第一册)
名校
2 . 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)
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3卷引用:2015届北京市第四中学高三上学期期中考试理科数学试卷
名校
3 . 设集合A={x|(x-3)(x+a)<0,a∈R},集合B={x∈Z|x2-3x-4<0}.
(1)若A∩B的子集个数为4,求a的范围;
(2)若a∈Z,当A∩B≠时,求a的最小值,并求当a取最小值时A∪B.
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2017-09-19更新
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2060次组卷
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2卷引用:湖北省沙市中学2017-2018学年高一上学期第一次双周考数学试题
名校
4 . 已知方程
的两个不相等实根为
.集合
,
,
,
,
,求
的值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a7b78d895784b4af75b962bd40f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88650b3681dc4a7e66ce3f4feb8d5524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f0117571b278a845d7e9ab07764b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c90c13a064dd8be1f9043d29ea2e33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f569c191a60a39899b5056aaa74b9f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
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2017-10-18更新
|
1219次组卷
|
7卷引用:2015-2016学年湖北省黄冈市高一上学期期末数学试卷
名校
5 . 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
|
843次组卷
|
7卷引用:北京市第四中学2017届高三上学期期中考试数学(理)试题
6 . 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.![]() |
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2017-06-13更新
|
2050次组卷
|
10卷引用:河北省保定市2017届高三二模文科数学试题
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(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)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北京市一零一中学2023届高三下学期统练数学试题(一)(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
7 . 选修4-5:不等式选讲
已知集合![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/ff930142bf4b4d9baee798f35a5075e3.png?resizew=92)
,对于集合
的两个非空子集
,
,若
,则称
为集合
的一组“互斥子集”.记集合
的所有“互斥子集”的组数为
(视
与
为同一组“互斥子集”).
(1)写出
,
,
的值;
(2)求
.
已知集合
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/ff930142bf4b4d9baee798f35a5075e3.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/9d817a611a9b4c85906b5478d4574c5f.png?resizew=97)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/3814caf869ff42c68550761692d6bd6a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/656513f66f24446a80c4e5c369a7d49f.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/f565d7f8551d4fbdb225fb43209616e3.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/1483627c95a940feb90a52428a992ad1.png?resizew=71)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/13f74a4aaccf432a8beca88981c3934c.png?resizew=43)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/3814caf869ff42c68550761692d6bd6a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/3814caf869ff42c68550761692d6bd6a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/df5e4553940b43d2abdde22f6df01f5b.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/13f74a4aaccf432a8beca88981c3934c.png?resizew=43)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/ef344fc7a29343a6985791307bb1af77.png?resizew=43)
(1)写出
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/f10a8f2024224424a4b1ee3be6694f70.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/73adced74b8c49eda13f141ccfd20d35.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/2c0595c66057400797c166305a338c01.png?resizew=36)
(2)求
![](https://img.xkw.com/dksih/QBM/2017/5/6/1681346041446400/1681863787364352/STEM/df5e4553940b43d2abdde22f6df01f5b.png?resizew=36)
您最近一年使用:0次
名校
解题方法
8 . 设集合
,
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb311182da65e8155cf29ccda4f543f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e16d7e3089060e9f32b332eabbc1a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136c83ffec094c4d4297bde05d0964a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-05-02更新
|
1390次组卷
|
2卷引用:四川省成都市第七中学2017届高三三诊模拟数学(文)试题
名校
9 . 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)
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2017-04-06更新
|
962次组卷
|
2卷引用:2017届北京市石景山区高三3月统一练习数学理试卷
名校
10 . 设集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd3ce937e5885fda72ee78eab80e44f.png)
,记
中的元素组成的非空子集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066be557a5d5238fde0df6185ccb1faf.png)
,对于
,
中的最小元素和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd3ce937e5885fda72ee78eab80e44f.png)
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A.32 | B.57 | C.75 | D.480 |
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