名校
1 . 设
:
,
:
,若
且
为真命题.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa462ba48511c46a67b425aafa75c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054207b8ca7d15b3b5259987c19ef1a4.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/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
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名校
2 . 已知命题
;命题
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79129aa0ea1eaeabb5dd055bc8ca797a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bebf958e45dbec5335cc2a4447dfb88.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-02-28更新
|
440次组卷
|
2卷引用:重庆市巴蜀中学校2020届高三下学期5月月考文科数学试题
名校
3 . “
或
”的否定形式为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247296fd019492d1724bea4e8e894a9d.png)
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名校
解题方法
4 . 已知命题
,
; 命题
,
, 则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c044b9fab53e095466ceb5ba3ee449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6fc004861e4a5780736acea3a9e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5710d08749535601963e2740843a6e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
5 . 下列命题中正确的是( )
A.若命题p为真命题,命题q为假命题,则命题“![]() |
B.命题“若![]() ![]() ![]() ![]() |
C.“![]() ![]() |
D.命题“若![]() ![]() ![]() ![]() |
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2022-10-28更新
|
369次组卷
|
3卷引用:四川省绵阳市开元中学2021-2022学年高二下学期月考理科数学试题
6 . 已知命题p:若
,则
;命题q:
,
.那么下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af3a1e3599964c9d6ca650d500d9d78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3306331f923c4cc5600b888f16da006b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd397741b4bb2a4b2ea61f04cb898a3e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-05-01更新
|
847次组卷
|
4卷引用:山西省太原市2022届高三二模数学(理)试题
7 . 命题“若
,则
”的否命题为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c988d709ba8cd8aed6cb83d76c0ba89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5977232839b54df456aeeacb13512d.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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真题
8 . 关于命题
,
,假设“
为假命题”,且
为真命题,那么( )
![](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/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.无法判定 |
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21-22高二·全国·课后作业
9 . 命题“12既是4的倍数,又是3的倍数”的形式是( )
A.![]() | B.![]() | C.![]() | D.简单命题 |
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20-21高二·全国·单元测试
10 . 对命题
:
,命题
:
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ba6c4692aeaa402c492fa21d2bdc9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee860a729a348f32138d5e3a7dfd723.png)
A.![]() ![]() | B.![]() ![]() |
C.非![]() | D.非![]() |
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