1 . 某网店统计了连续三天售出商品的种类情况:第一天售出19种商品,第二天售出13种商品,第三天售出18种商品;前两天都售出的商品有3种,后两天都售出的商品有4种,则该网店
①第一天售出但第二天未售出的商品有______ 种;
②这三天售出的商品最少有_______ 种.
①第一天售出但第二天未售出的商品有
②这三天售出的商品最少有
您最近一年使用:0次
2016-12-04更新
|
1548次组卷
|
22卷引用:2016年全国普通高等学校招生统一考试文科数学(北京卷精编版)
2016年全国普通高等学校招生统一考试文科数学(北京卷精编版)北京市丰台12中2017-2018学年高三上学期11月月考数学试题2020届北京市延庆区高三一模考试数学试题(已下线)专题10 概率与统计-五年(2016-2020)高考数学(文)真题分项(已下线)专题31 概率和统计【文】-十年(2011-2020)高考真题数学分项(已下线)专题01 集合(测)-2021年高考数学二轮复习讲练测(新高考版)(已下线)专题01 集合(测)-2021年高考数学二轮复习讲练测(文理通用)(已下线)专题01 集合-2022年高考数学一轮复习小题多维练(新高考版)(已下线)2016年全国普通高等学校招生统一考试文科数学(北京卷参考版)北京十年真题专题01集合(已下线)专题1 集合(文科)-2(已下线)十年北京真题分类汇编---专题01集合、常用逻辑与不等式(第一部分)【全国百强校】陕西省长安区第一中学2018-2019学年高一上学期第一次月考数学试题人教B版(2019) 必修第一册 过关斩将 第一章 1.1 综合拔高练(已下线)1.1.3+第1课时+交集与并集(分层练习,)-新教材2020-2021学年高一数学同步备课(人教B版必修第一册)(已下线)第4课 交集与并集-2020-2021学年高一数学上学期课时同步练(人教B版2019必修1)安徽省阜阳市第一中学2021-2022学年高一上学期第一次月考数学试题苏教版(2019) 必修第一册 过关检测 第1章 思想方法专练北师大版(2019)必修第一册课本习题第一章复习题北京市顺义牛栏山第一中学2023-2024学年高一上学期10月月考数学试题(已下线)复习题一陕西省安康市高新中学2023-2024学年高一下学期3月月考数学试题
2 . 若三个非零且互不相等的实数
,
,
满足
,则称
,
,
是调和的;若满足
,则称
,
,
是等差的,若集合
中元素
,
,
既是调和的,又是等差的,则称集合
为“好集”,若集合
,集合
,则(1)“好集”
中的元素最大值为_____ ;(2)“好集”
的个数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9441b9ef89b66a2f7821c0f57d3ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02746ec8e4220d8b4a174d5e9a711ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f633dedbebb8249daf929c0a96e9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fab19008d7de7f55d3f8a31447bca4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
_______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b0869e4da5b5d8cc6a37d44ce09941c.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df4d44522a0b9ecd66d6a60e314b926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96589fe4a1fd76a48cdc9f21b62fd576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b0869e4da5b5d8cc6a37d44ce09941c.png)
您最近一年使用:0次
2016-12-03更新
|
342次组卷
|
2卷引用:2016届浙江省嘉兴市一中高三上学期能力测试理科数学试卷
4 . (1)若
(其中
为正数),则称
为离实数
最近的正数,记作
,即![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/531ffef002df49c9b6f437ace13dfbca.png?resizew=51)
,则
的值域是_____ ;
(2)设集合
若集合
的子集恰有4个,则实数
的取值范围为_______ .
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/1e580339e5ce49d5b04f7cc57e60509b.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/2bf7675a17394825ac1e598a0c03b2f8.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/2bf7675a17394825ac1e598a0c03b2f8.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/8c76cdfdc6bc4bd39623ea744a369799.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/7050e805ef8b47e39f33769a46800f19.png?resizew=23)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/531ffef002df49c9b6f437ace13dfbca.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/c39cab0004574c87bcd1785192182200.png?resizew=77)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/ed1db1327e3d426090f58dce5f9d3181.png?resizew=92)
(2)设集合
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/5c77ab069eb0455aabeb39807333076e.png?resizew=477)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/0284da28d82e4721bea44b69b8777cf9.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2015/3/27/1572042099597312/1572042105446400/STEM/b3b9a97e512c4f2483cd1615942cc9cb.png?resizew=13)
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5 . 设函数
的定义域为
,集合
,若
,则称函数
为定义域
内的“任性函数”.(1)若函数
是定义域
内的“任性函数”,则实数
的取值范围是_______ ;(2)已知
且
,
,则函数
是定义域
内的“任性函数”的概率为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122bc4b439db72670f4473793521206d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86589ddb6733dec02266fdcb1519c8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24aa399a0c4063b0bd817d1ed5bd49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c1fc90a6092b25ac0ee06fda1a7971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94e7cea1ef9cb0016ed0c2881038686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a166d2e7083bf6537270b6c7dc58e518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080550853fb08fc020f092e2e9b44843.png)
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11-12高三·四川成都·阶段练习
6 . 有限集合
中元素的个数记作
.已知
,
,
,
,且
,
.若集合
满足
,则集合
的个数是_____ ;若集合
满足
,且
,
,则集合
的个数是_____ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55665c970eedf1079505df93bf21fc99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13c6474c134ab5d3464133f24ee2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368a045ba80f97383f3d9d7fcdc8f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b193f51aaf43e3313259726e455919be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68726c0d86f25d51a746a45d744ea6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f54578cd880074421dbf73491ace46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b59aa7ac242a6e8d80059c6cdd93802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7950efde80c53674cb2cf60738e59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c81e694dac3a7c809b52f270b112883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607d18f7c899d40836aec114bff009db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a829fdd8ec0f3b7ede883cf2c3e53b.png)
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7 . 将含有
个正整数的集合
分成元素个数相等且两两没有公共元素的三个集合
,其中
,
,
,若
中的元素满足条件:
,
,
1,2, ,
,则称
为“完并集合”.
(1)若
为“完并集合”,则
的一个可能值为____ .(写出一个即可)
(2)对于“完并集合”
,在所有符合条件的集合
中,其元素乘积最小的集合是____ .
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/790107ac317e4e84b002d7e1c5d9300d.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/17ee616a82e44131bea33713aba26fdb.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/d6b2b5cf9501409988209b2168346ff6.png?resizew=49)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea7fcdb5423c1c8c032a3efcf245682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7bb58dca886fc65d874e2b30040c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9cfd1398bb75618f8221abd14e97af.png)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571919614574592/1571919620030464/STEM/d6b2b5cf9501409988209b2168346ff6.png?resizew=49)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5049cefc642e08e2ba05e4f1029486de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ca97c733e72b990f1ce7a39aea6510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c9c199d97b0f1c342ab2290133eabd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)对于“完并集合”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93d25235973603f56d262bb9165432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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10-11高三上·湖南长沙·阶段练习
8 . 给定集合
,定义
中所有不同值的个数为集合A两元素和的容量,用L(A)表示,若
,则L(A)=___ ;若数列{an}是等差数列,设集合
,则L(A)关于m的表达式为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788369597548a0e4b6601188ccb25074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98cd3537c4a2a5f6bf8d2b973a10726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9010bb095765c0b0be1e1ecf5dacbf10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a873666089d9a9ca1bb14e2d00325d.png)
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