1 . 已知数列
的各项均为正整数,设集合
,
,记
的元素个数为
.
(1)若数列A:1,3,5,7,求集合
,并写出
的值;
(2)若
是递减数列,求证:“
”的充要条件是“
为等差数列”;
(3)已知数列
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f885247785940c5c849210fb6f8abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4884c506476f191d7919cd266c8c0212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a0c2bb484bf523189b093485eca999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ff5cb5a9d88ed7db2c06683c3e355.png)
(1)若数列A:1,3,5,7,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ff5cb5a9d88ed7db2c06683c3e355.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3197c615558fee3993d2a8deb9091f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d509697c5391a7c24d9bbc2c82422b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff241fc46c23ac975c5b39e87a9e46a.png)
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2024-04-19更新
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329次组卷
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4卷引用:黑龙江省双鸭山市友谊县高级中学2024届高三下学期高考模拟(一)数学试题
黑龙江省双鸭山市友谊县高级中学2024届高三下学期高考模拟(一)数学试题吉林省长春市长春吉大附中实验学校2023-2024学年高二下学期5月期中考试数学试卷(已下线)2024年北京高考数学真题平行卷(基础)(已下线)集合与常用逻辑用语-综合测试卷B卷
2 . 设命题
:实数
满足
,其中
,命题
:实数
满足
.
(1)若
,且
和
都是真命题,求实数
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50ec8e309669099d4ab475049b5ed36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f06cfe0871caa39a020a4e09a497c5c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
3 . 已知函数
分别是定义在
上的奇函数和偶函数,且
.
(1)求函数
的解析式;
(2)设
,对
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a30ada56e5e6d915338770af3fa8e67.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0920f695fe59f4762384fd7265c39f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dc1e9754abc990be965887022469fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800de2463135d6a1de3096ca199cfcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-03-06更新
|
476次组卷
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2卷引用:黑龙江省哈尔滨市黑龙江实验中学2023-2024学年高一下学期开学考试数学试题
解题方法
4 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870c406c542fcfa425c6b1a4cdadf197.png)
(1)若
,求
;
(2)若
是
的必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870c406c542fcfa425c6b1a4cdadf197.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9321649453ceea20f0fb991333602c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-31更新
|
123次组卷
|
2卷引用:黑龙江省绥化市绥棱县第一中学2023-2024学年高一下学期开学数学试题
名校
解题方法
5 . 已知集合
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23abd56b5cf40682974bfc6a2ae05b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171fa56fc98a6ee44e62c578d9b2e049.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb15c78da33816eeb1af1990bfdcacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-29更新
|
342次组卷
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5卷引用:黑龙江省大庆市实验中学实验二部2023-2024学年高一下学期开学考试数学试题
名校
解题方法
6 . 已知全集为实数集
,集合
,
(1)分别求
,
,
;
(2)已知集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa26ede4564b80c035c146272384bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24429c22edcbe1e927dfec17e14b9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b6709250c8c9bb7a3e77c6abda0317.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b184e1cedfd0ed92151024de549d6a6.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5988337b7a0798b5d056d98bb60cf32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 设不等式
的解集为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d82c39cff48d38c043374e2fdb329d.png)
(1)求集合A;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ee92ae41cb016d185c38d0dede662b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53d82c39cff48d38c043374e2fdb329d.png)
(1)求集合A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
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2024-01-15更新
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2卷引用:黑龙江省哈尔滨市德强高级中学2023-2024学年高一下学期开学验收考试数学试题
名校
解题方法
8 . 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/79fb8275ea748569f7bf51e4c964ffca.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-11更新
|
329次组卷
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3卷引用:黑龙江省齐齐哈尔市2023-2024学年高一上学期1月期末考试数学试题
黑龙江省齐齐哈尔市2023-2024学年高一上学期1月期末考试数学试题(已下线)高一数学开学摸底考 02-北师大版2019必修第一册全册摸底考试卷河南省信阳市浉河区信阳高级中学北湖校区2023-2024学年高一下学期开学考试数学试题
名校
解题方法
9 . 已知集合
,集合
.
(1)若
是
的必要不充分条件,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279fba9ba2f325d2d3c95f8caede1cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60990e996ff1f3f6c13c57208183b96.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-12更新
|
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6卷引用:黑龙江省哈尔滨市第九中学校2023-2024学年高一上学期12月月考数学试卷
黑龙江省哈尔滨市第九中学校2023-2024学年高一上学期12月月考数学试卷湖南省湖湘教育三新探索协作体2023-2024学年高一上学期11月期中联考数学试题福建省福州市闽侯县第一中学2023-2024学年高一上学期第二次月考数学试题(已下线)高一上学期第三次月考数学模拟试卷(第1章-第4章)-【题型分类归纳】(人教A版2019必修第一册)云南省大理市下关第一中学2023-2024学年高一下学期开学考试数学试题(已下线)1.2常见逻辑用语(高三一轮)【同步课时基础卷】
10 . 命题
:直线
与圆
有公共点,命题
:双曲线
的离心率
.
(1)若
均为真命题,求实数
的取值范围;
(2)若
一真一假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f257b2c95f1935920f05d159b08a9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8785046420bdd426bbd7a26041ff214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3de2a92f1ce64ad41243f39fbc4756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4612a3d0ca32bdc27e1656f9c55ee7b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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