解题方法
1 . 在①
,②函数
的图象经过点
,③
,
这三个条件中任选一个,补充在下面的问题中并解答.
问题:已知集合
,
,且_________,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6b9842cc2d795a2f6e256c105fedeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda9ebeb6e342ab0220edfa240278015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b6a8f5d32391a7c5f11fad20819af1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529b73c7925211751f98b88075d8d209.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5243c9d15cc89baa47e6a04ac1b2f1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d51b8a2822d21e31369777fad0678b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
您最近一年使用:0次
2020-12-21更新
|
667次组卷
|
8卷引用:山东省全省大联考2020-2021学年高一上学期模拟选课走班调考数学试题
名校
解题方法
2 . 已知集合
,
或
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58c8dd211d333360042d8a48e47060b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d5950711fa57394550ca9e9ba2f6e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4829e84ccdc74dd118d988dbadaf324.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-04更新
|
2305次组卷
|
4卷引用:山东省济宁市2020-2021学年第一学期学分认定考试高一数学试题
山东省济宁市2020-2021学年第一学期学分认定考试高一数学试题山东省济宁市 2020-2021学年高一(上)期中数学试题辽宁省大连市第十五中学2021-2022学年高一上学期期中数学试题(已下线)专题1 子集、交集、并集、补集之间的关系式
解题方法
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ba4709c1bdedac8b704dce9400a6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070c0cadab359fe4664175feeccfd0c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fdf5a6e9b2d7c23d57798318da453.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-02更新
|
759次组卷
|
3卷引用:辽宁省抚顺德才高级中学2023-2024学年高三上学期”模拟一模“考试(平行班)数学试题
名校
解题方法
4 . 已知函数
.
(1)当
时,若
的最小值为
,求实数
的值;
(2)当
时,若不等式
的解集包含
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcf03a34262d64eb27fc4d4fe10cf2c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b8e51004cb43862938d837eecf15156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3f2b95e18fbd1218667e35f26b7f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e254a7d08060fb2655d5b07df06e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-04-02更新
|
669次组卷
|
9卷引用:【全国百强校】江西省新余市第一中学2019届高三第一次模拟考试数学(理)试题
【全国百强校】江西省新余市第一中学2019届高三第一次模拟考试数学(理)试题四川省宜宾市第四中学校2022届高三下学期高考适应性考试数学(理)试题四川省宜宾市第四中学校2022届高三下学期高考适应性考试数学(文)试题河北省石家庄栾城中学2020届高三上学期第一次摸底数学(文)试题(已下线)黄金卷02-【赢在高考·黄金20卷】备战2021年高考数学(理)全真模拟卷(新课标Ⅲ卷)(已下线)黄金卷01-【赢在高考·黄金20卷】备战2021年高考数学(文)全真模拟卷(新课标Ⅱ卷)(已下线)黄金卷01-【赢在高考·黄金20卷】备战2021年高考数学(理)全真模拟卷(新课标Ⅱ卷)黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第二次验收考试文科数学试题黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第二次验收考试理科数学试题
名校
5 . 已知集合
,
,
,
,其中
.定义
,若
,则称
与
正交.
(1)若
,写出
中与
正交的所有元素;
(2)令
若
,证明:
为偶数;
(3)若
且
中任意两个元素均正交,分别求出
时,
中最多可以有多少个元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0a422a1f3b4197761a32eea75e5f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984c76feb97fd60961042a5a0490042e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4d0cff6698ac42bb2158babd15b20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7cf6c3ef21af43bd1b4b9ce9ad5721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c015c9a3f30d0be75666375733ea35cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2e64804787fb0b18a3d8eee3570578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4157967918cabbed7f5d82a291cc262f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80721f50d5063cb9f835ea6fc6870285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a27db54d88c391992ad9cbc65ef509e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22111b1f07e7873e5a156d1937eaac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d671185c2cc9c5d88029e04f4b2ccf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67aadad8f385811fd0d0c8541007cbf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2020-11-15更新
|
797次组卷
|
3卷引用:北京市第五中学2022届高三下学期三模数学试题
名校
解题方法
6 . 已知函数
,且
.
(1)求实数m的值,并求函数
的值域;
(2)函数
,若对任意
,总存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98257e555612bd1ca0482965ec821fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e5e69fb32ec266ef16839f55e339c5.png)
(1)求实数m的值,并求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9906b0dc0a5872fe98c235b11840a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204687ff0d957eece42db00f067f15a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7eb89a1fc2c62caf8f073b519b743f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da19124e917b1a16d0249bcf17327fb.png)
您最近一年使用:0次
2020-11-11更新
|
757次组卷
|
7卷引用:安徽省皖南八校2021届高三10月份第一次联考数学(文)试题
7 . 集合
且
,若
,且
,
,令
.
(1)
若
,满足
,请写出一个符合题意的
,并求出
;
(2)若集合
,任取
中2个不同的元素
,求集合
中元素个数的最大值;
(3)若存在
,使
,集合中任两个元素不同,求出此时
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afb994f4d6079603cbf46f395e512e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42276f02e595121d35171554a735f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7620daddd185dac88c3534c0dc4487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da699996ed9e57b4f536c811d64c487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9063138d7c0f40f544c275a714cc626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed4d4e17981fbb90b17a8e7b47d7fa99.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df62a2d692431f0f4c481ef7b387c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d66322be72a5324f708d09c003679f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdd3a05b298ecaec3843e99061b01cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686bd782291ddba5cd281f024c1746d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6433e0b49d284d561826900ea76a261b.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850d5c706db7a763b0ea0117c6dc5084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2911f1ce84be9464ba57d158ac7c6a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0606069a64e67680c15723bbc87ab59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b98387c7606916b5cdb60266d0b5452.png)
您最近一年使用:0次
2020-11-11更新
|
951次组卷
|
2卷引用:北京市2020届高三数学高考考前冲刺模拟试题
名校
8 . 已知
,设
:
,
成立;
:
,
成立,如果“
”为真,“
”为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24eb36914c5d05da7d3e23900f0b4124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f183b28092a9afbd43ce782311768ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5667bc1ea875422f618529aa5f254f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ef1c6f99c526508d307f00e8c530b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-08更新
|
534次组卷
|
6卷引用:河南省信阳市普通高中2022-2023学年高三第一次教学质量检测数学(文科)试题
名校
9 . 设集合
,其中
是正整数,记
.对于
,
,若存在整数k,满足
,则称
整除
,设
是满足
整除
的数对
的个数.
(I)若
,
,写出
,
的值;
(Ⅱ)求
的最大值;
(Ⅲ)设A中最小的元素为a,求使得
取到最大值时的所有集合A.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a784e0ba1c17aba6990123fe39b89114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec99c57bf7997bd93e1ed8f48d5af9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2696df108ff4ad5a2d46a1b656f859e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f98b06f1247856f443a4cb571104e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097d09a11d999ee464ee6e67ee55783e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059a6c5a965c335b8da05e697da2c7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319b6a5373bc8eb13772b8e6d047779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca83d5e388afb005ccf2548661775c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059a6c5a965c335b8da05e697da2c7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319b6a5373bc8eb13772b8e6d047779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612f4d31671d4eb163a5a1ed0570af9b.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8348dd5d3b8c0ed6a0738d31a0cf3b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1bc81e3941341782c1e4babf150ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca83d5e388afb005ccf2548661775c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbf211a16295eed3dd56fc97d8cc618.png)
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca83d5e388afb005ccf2548661775c0.png)
(Ⅲ)设A中最小的元素为a,求使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca83d5e388afb005ccf2548661775c0.png)
您最近一年使用:0次
2020-11-06更新
|
661次组卷
|
4卷引用:北京市朝阳区2020届高三年级下学期二模数学试题
10 . 对非空数集
,
,定义
,记有限集
的元素个数为
.
(1)若
,
,求
,
,
;
(2)若
,
,
,当
最大时,求
中最大元素的最小值;
(3)若
,
,求
的最小值.
![](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/2e3537cbcff7cc15ff0cdf26de2a73b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b830a24447b3831005c9942fb263e1c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e18306ebf275f54eb946ddb7c38397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4be9b536fcf7bbdb422184f74db9ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e803dee8996550a8b3fb641e437709a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d197338ab810f6c9d31a2b67e5f352ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560882860516a9207f47ec0156975bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7987e3e0432dee47d40079d5577c2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b449796bf5cff2580eb2609830f3cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
您最近一年使用:0次
2020-11-02更新
|
950次组卷
|
6卷引用:北京市中国人民大学附属中学2023届高三统练(4)数学试题