2024高三·全国·专题练习
1 . 下列命题中是全称量词命题并且是真命题的是( )
A.![]() ![]() |
B.对任意实数![]() ![]() ![]() ![]() |
C.若![]() ![]() |
D.![]() |
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2024高三·全国·专题练习
2 . 下列正确命题的个数为( )
①
,
;②
;③
;④
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb853af35191946081f0b78f5dfca4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5fdb1809b8dcce0b871c05f06706f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae7382b77f75b8b461e098930827c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b3fc7d515649b29fb426858df600f0.png)
A.1 | B.2 | C.3 | D.4 |
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3 . 下列哪些命题是真命题?_______
(1)
是
的充要条件
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601a33e9cf63db183630b01ac84032e.png)
(3)
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b01df04fd13dd27cd4acf6645367196.png)
(4)若
为无理数,则
为无理数
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5206984aa8c1487f1ed2528045b16b18.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601a33e9cf63db183630b01ac84032e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20a1af4425e9b77626f10f270e23648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b01df04fd13dd27cd4acf6645367196.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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解题方法
4 . 命题“
,
”是假命题,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243e64f57929cede555b88a0782c0b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023高一·江苏·专题练习
5 . 下列命题中的假命题是( )
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
6 . 若命题“对任意的
都成立”为真命题,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3568d9fe6c6098fd0768a1d11eca9dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 判断下列命题是不是全称量词命题,如果是,指出其中的全称量词:
(1)每一个多边形的外角和都是
;
(2)所有的素数都是奇数;
(3)对任意的无理数x,
也是无理数;
(4)
,x都有平方根;
(5)
,有
.
(1)每一个多边形的外角和都是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99549ae6cd9aa72dfa39ed5e77d9b7e3.png)
(2)所有的素数都是奇数;
(3)对任意的无理数x,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0c949ecf36cde66db2ab00146f9f7f.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0c949ecf36cde66db2ab00146f9f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d46d7e5b5e09c873033735c0065dd0.png)
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2023-10-07更新
|
57次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章2.2 全称量词与存在量词
8 . 指出下列命题中使用了什么量词以及量词的作用范围,并把量词用相应的数学符号取代:
(1)对任意正实数
,
;
(2)对某个大于10的正整数
,
.
(1)对任意正实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecda5a59e734151cd588584cabd424fa.png)
(2)对某个大于10的正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1186c6b3c9705444ad96dcb1bf6e523.png)
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2023-10-02更新
|
37次组卷
|
2卷引用:湘教版(2019)必修第一册课本例题1.2.3全称量词和存在量词
9 . 判断下列命题的真假:
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
;
(5)设
,
,
是平面上不在同一直线上的三点,在平面上存在某个点
使得
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fa139aad70ad1ac124affc3fe5d75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb853af35191946081f0b78f5dfca4c2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871454d1a0c9e545c7a9cad1d8482ee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687e3cb51a6b0f7eee667097d49c5dec.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65256b8bdeba77547b692c2a16563bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48796cc830526828ccedeaab0733da.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf3c7c2c4607a2a2c237dc995919e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48796cc830526828ccedeaab0733da.png)
(5)设
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fc65a72853bd8ac1ad0828270d3baf.png)
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10 . 下列命题中正确的有( )
A.![]() ![]() |
B.![]() ![]() |
C.![]() |
D.集合![]() ![]() ![]() |
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2023-09-27更新
|
309次组卷
|
3卷引用:重庆市铜梁二中2023-2024学年高一上学期9月月考数学试题
重庆市铜梁二中2023-2024学年高一上学期9月月考数学试题(已下线)模块四 专题1 题型突破篇 小题入门夯实练(1)安徽省亳州市第二完全中学2023-2024学年高一上学期期中教学质量检测数学试题