名校
1 . 已知命题
,命题
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b620c16ce0ddc5cfb0c152ccb537f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf36d7f3ca5819385f4bc1aafff202a4.png)
A.![]() | B.q是真命题 |
C.![]() | D.![]() |
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2022-11-16更新
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3卷引用:四川省泸州市泸县第五中学2022-2023学年高二上学期12月月考试数学(理)试题
解题方法
2 . 已知命题
若
,则
;命题
若
,则
,下列四个命题:
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17312706507512c4215edf8b6e8c16d.png)
其中真命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fcb77b3bdf39c6c3b6081c8663a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f168888b002029e1bf53d27ce05e26.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f602c916a51570813855222577ba372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68befa27a996e2b6543eaf7e36b0091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17312706507512c4215edf8b6e8c16d.png)
其中真命题的个数是( )
A.0个 | B.1个 | C.2个 | D.3个 |
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2022-07-15更新
|
348次组卷
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2卷引用:四川省泸州市古蔺县金兰高级中学校2022-2023学年高三上学期第一次月考数学(文)试题
名校
3 . 下列命题中为真命题的是( )
A.![]() ![]() |
B.“![]() ![]() |
C.已知p,q为两个命题,若“![]() ![]() |
D.命题“若![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
4 . 下列命题中为真命题的是( )
A.![]() |
B.“![]() ![]() |
C.已知p,q为两个命题,若“![]() ![]() |
D.命题“若![]() ![]() ![]() ![]() |
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2022-06-02更新
|
202次组卷
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2卷引用:四川省泸州市泸县第二中学教育集团2022届高考仿真考试(三)理科数学试题
名校
5 . 已知命题
;命题
为平面,
为直线,若
则
.下列为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497d293f9e5f555b9444499797d85a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d080bcadf08db11b68932496aa85734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc48087aae2c9a28f236d4ba3d6e760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-05-29更新
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2卷引用:四川省泸州市泸县第一中学2022-2023学年高三上学期12月月考数学(文)试题
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解题方法
6 . 已知命题p:
,
.命题q:某物理量的测量结果服从正态分布
,则该物理量在一次测量中落在
与落在
的概率相等.下列命题中的假命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa092e75d04153f8839389784f9ee268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9cf60139c539ba74a33afcb70d6688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58528657789abf472d473990f16cf293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237d68c7a7b61434781ba6167319825d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-04更新
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3卷引用:四川省泸州市2022届高三第二次教学质量诊断性考试理科数学试题
名校
7 . 已知
:
,
:
,若
是
的必要不充分条件,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b843858ba23012c724dea0c51d54a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb1e45da7859d358798ebf60ac7cb0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-11-13更新
|
755次组卷
|
7卷引用:四川省泸州市泸县第五中学2022-2023学年高一上学期期中数学试题
名校
8 .
,
,若
且
为假命题,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d08be2e49da8bde1fd2a01fb3bf8f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd20728bbaa5ccf27feef06bb33f7c0.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)
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2020-03-26更新
|
475次组卷
|
5卷引用:四川省泸州市泸县第四中学2021-2022学年高二下学期期中数学理科试题
四川省泸州市泸县第四中学2021-2022学年高二下学期期中数学理科试题江西省南康唐江中学2019-2020学年高二下学期开学线上检测数学(文)试题(已下线)第一章+预备知识(基础过关)-2020-2021学年高一数学单元测试定心卷(北师大2019版必修第一册)黑龙江省哈尔滨市第九中学2020-2021学年高二下学期四月学业阶段性评价考试数学(理)试题第一章 预备知识单元测试(基础过关)-2020-2021学年高一数学北师大2019版必修第一册
名校
9 . 已知命题
;
关于
的方程
有实数根.
(1)写出命题
的否定,并判断命题
的否定的真假;
(2)若命题“
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10f111fdfca44ac4ba952ba2cdfaba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
(1)写出命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-17更新
|
223次组卷
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3卷引用:四川省泸州市泸县第一中学2021-2022学年高二下学期入学考试数学(理)试题
名校
10 . 已知命题
方程
表示椭圆,命题:
.
(1)若命题
为真,求实数m的取值范围;
(2)若
为真,
为真,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfeb69c53fd26482161d571d346dc1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3befbf8ff0424d21552cd8e21e228154.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-04-27更新
|
195次组卷
|
2卷引用:四川省泸州市泸县第五中学2022-2023学年高二上学期12月月考试数学(理)试题