1 . 下列命题中是真命题的个数是( )
①命题“
”的否定是“
”
②设
是向量,命题“若
,则
”的逆命题是真命题
③命题
是奇函数;命题
的最小值是2,则
是真命题
④若直线
平面
,平面
平面
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef6fce1b7e6d7a650890e2435931700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54b90293b6bb0de4456da8f1dc98dc8.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5025f108d00d5146d3acf9bd32473a09.png)
③命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59edaab095ba98c3cfc2c2cf9e7b3f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f872fd4d10fa17d6cd95266be506500e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
④若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979a27d3a09a17445561091e6655eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa807136194c18d3ac58902c67f9333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
名校
2 .
的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcee0b6c263205632eeb55139f428564.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-14更新
|
185次组卷
|
3卷引用:新疆乌鲁木齐市第三十一中学2021-2022学年高一上学期期末考试数学试题
新疆乌鲁木齐市第三十一中学2021-2022学年高一上学期期末考试数学试题浙江省绍兴市柯桥中学2023-2024学年高一上学期10月月考数学试题(已下线)第02讲:常用逻辑用语期末高频考点题型讲与练-《考点·题型·难点》期末高效复习
3 . 已知命题
,
,则命题
的真假以及否定分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a133fa8172d41c70c25d623f3dddd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c534fa0546c09796e4e3fb832ecd7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.真,![]() ![]() | B.假,![]() ![]() |
C.真,![]() ![]() | D.假,![]() ![]() |
您最近一年使用:0次
4 . 已知命题
,
若
,则
,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24a23b05dfee931085efe777d162407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf19ebcf690f8e90af90b2244a04be9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6805018f6ecf5b39fa8450375f10ef.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 命题“
,都有
”的否定为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73822140593db006ee484a11038aca0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-20更新
|
405次组卷
|
8卷引用:浙江省A9协作体2022-2023学年高一上学期期中联考数学试题
浙江省A9协作体2022-2023学年高一上学期期中联考数学试题北京市顺义区2022-2023学年高二下学期期末质量监测数学试题河南省开封市2023-2024学年高一上学期期中数学试题北京市朝阳区2023-2024学年高一上学期期末质量检测数学试题湖北省部分学校2023-2024学年高一上学期期末数学试题北京市北师大附中平谷第一分校2023-2024学年高一下学期2月开学测试数学试题【北京专用】专题15(一轮复习)集合与常用逻辑(第二部分)-高二上学期名校期末好题汇编(已下线)专题07一轮复习5种常考题型归类(集合逻辑不等式函数复数)【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北京专用)
名校
6 . 命题“
,都有
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391dd0367e276ccd196c123a2b211099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe5f36e73abdd219c5e1edc975d9a7f.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
7 . 含有量词命题的否定“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5045fac5d3e723196c600dcad6628bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89c33204776fe09532011672d944a7c.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
8 . 已知命题
,都有
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2a433f021c3b71f0f3bd8313069025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46cfeebdb279a071ae95e4caa1ea135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-11更新
|
621次组卷
|
4卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题
名校
解题方法
9 . 全称量词命题“
”的否定,以及命题的否定的真假为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ba36fd62adbad0cfda0272b6128f81.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 命题“
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a6f266252ce0eaa654962caf282116.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次