解题方法
1 . 设集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0b13627ab7e862b956bfa9bcbf98f1.png)
__________ (用区间表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc72d1cbc4842b9d22133fb1f51f147e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0b13627ab7e862b956bfa9bcbf98f1.png)
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2 . 已知集合
,则
的子集的个数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e774eb8ac3eca0f4e0be813f657394e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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23-24高一·江苏·假期作业
名校
3 . 已知U={1,2,3,4,5},A={2,m},且∁UA={1,3,5},则m=________ .
您最近一年使用:0次
2023-06-22更新
|
569次组卷
|
6卷引用:西藏自治区那曲市五校2023-2024学年高一上学期期末联考数学试题
解题方法
4 . 已知集合
,集合
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761d2ffa0a8cddbe323ea48a4c118426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5703c89b278e5065d7979b71de3dd73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202ab7965ce52c189d9b428416c71981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知全集
,集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c5fdc915e14a2b7748974285c9285f.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c20c425f02a82134368a7b184618bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1f21c4362790bcd5ca77dd9ac4a406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c64f6b3b848d55ce6249d82d38207ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c5fdc915e14a2b7748974285c9285f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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6 . 命题“
使得
”的否定是:______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9982aa49d04eef8ec07fe721a5cf457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a322de585dde8fcf285019305159fd.png)
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7 . 下列命题正确的是______
①若给定命题p:
,使得
,则
:
,均有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe46868049380b61fd061698ad59dbb.png)
②若
为假命题,则p,q均为假命题
③“
”是“
”的必要不充分条件
④命题“若
,则
”的否命题为“若
,则
”
①若给定命题p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea8c817d58f773e1ab3b1f71165fd1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe46868049380b61fd061698ad59dbb.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141f34f18f4802d04ef2e4e5e803aba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
④命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d09b9fc9719ff6faf32254b9d48713.png)
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名校
8 . 已知下列不等式①
;②
;③
;④
;⑤
.其中是不等式
的一个充分不必要条件的有______ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc3e5be1796493161a4df7e28a6f6b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b402181e8e0ec843d3d7f441e35bd28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b88e53e6ca674b4cb92ba78dddf989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199e9b71bddd6f73725518ab2d567b32.png)
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2022-12-10更新
|
185次组卷
|
9卷引用:西藏拉萨市第二高级中学2022-2023学年高一上学期期中考试数学试题
西藏拉萨市第二高级中学2022-2023学年高一上学期期中考试数学试题吉林省长春外国语学校2020-2021学年高一上学期期末数学试题福建省莆田第十五中学2020-2021学年高一上学期期末考试数学试题(已下线)专题2.2 充分条件、必要条件、充要条件-重难点题型检测-2021-2022学年高一数学举一反三系列(苏教版2019必修第一册)(已下线)专题1.8 充分条件与必要条件-重难点题型检测-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)考点02 常用逻辑用语-2022年高考数学一轮复习小题多维练(新高考版)(已下线)专题1.10 充分条件、必要条件-重难点题型检测-2021-2022学年高一数学举一反三系列(人教B版2019必修第一册)(已下线)专题1.8 必要条件与充分条件-重难点题型检测-2021-2022学年高一数学举一反三系列(北师大版2019必修第一册)(已下线)第2课时 课中 充分条件与必要条件(完成)
9 . 已知命题
:关于
的方程
有实数根,命题
:
,
是
的必要非充分条件,则实数
的取值范围是_____ .
![](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/50afd9192fa9cdf0c17fd320cdb37645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a911dc32318c6bdc32b1c16c232c25c6.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-12-02更新
|
400次组卷
|
2卷引用:西藏林芝第二高级中学2021-2022学年高二上学期期末数学(理)试题
名校
10 . 已知下面四个命题:
①“若
,则
或
”的逆否命题为“若
且
,则
”;
②“
”是“
”的充分不必要条件;
③命题P:存在
,使得
,则
:任意
,都有
;
④若P且q为假命题,则p,q均为假命题.
其中真命题有____________________ .
①“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c581913b2d08b871608e939f29cb24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059eafaba1bb419030b566813c5bb04a.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141f34f18f4802d04ef2e4e5e803aba.png)
③命题P:存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85685dd80e4f513558a36ccfbf21daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f292aee4920c4e5c5c0f25ed9ea83f4b.png)
④若P且q为假命题,则p,q均为假命题.
其中真命题有
您最近一年使用:0次
2021-09-06更新
|
455次组卷
|
4卷引用:西藏昌都市第三高级中学2020-2021学年高二上学期期末数学试题
西藏昌都市第三高级中学2020-2021学年高二上学期期末数学试题【全国百强校】甘肃省兰州市第一中学2019届高三9月月考数学(理)试题(已下线)1-3 简单的逻辑联结词、全称量词与存在量词(高效训练)-2019版导学教程一轮复习数学(人教版)广西玉林市第十一中学2021-2022学年高二下学期3月月考数学试题(文科)