名校
1 . 下列说法中错误 的是
A.“![]() ![]() |
B.当![]() ![]() ![]() |
C.设命题![]() ![]() ![]() ![]() ![]() |
D.命题“若![]() ![]() ![]() ![]() |
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2017-09-10更新
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957次组卷
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2卷引用:广东省阳春市第一中学2018届高三上学期第一次月考(文)数学试题
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2 . 已知命题
;命题
若
,则
,下列命题为假命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b671c60b62e312877d2682a45ceb1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7fe4ba685cb112d97e439036928163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-03-26更新
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387次组卷
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3卷引用:广东省揭阳市2018届高三学业水平考试数学理试题
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3 . 设命题
不等式
的解集是
;命题
不等式
的解集是
,若“
或
”为真命题,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a372cdec7af7e4a504c80e67d6c278c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b946c2ff785644fba53ff55ce48bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c60698717093b7fa66ab3a228a7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.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/0a6936d370d6a238a608ca56f87198de.png)
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2018-01-12更新
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391次组卷
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3卷引用:广东省中山市2017-2018学年高二上学期期末复习(模拟试题2)理科数学试题
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4 . 已知
且
,命题
指数函数
在
上为减函数;命题
不等式
的解集为
,若
为假命题,
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940e491269e04ab4680ee10714ba88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232124cc50f5b7ba8fc1594bd98544cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5620f6cebffd6d57c75fd180ee932d79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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5 . 以下四个命题中,真命题有( ).
A.![]() ![]() ![]() ![]() |
B.“![]() ![]() ![]() ![]() |
C.“![]() ![]() |
D.已知命题![]() ![]() ![]() ![]() ![]() ![]() |
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6 . 命题
:“
,
”,命题
:“
,
”,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2edbc31470f3a5c06938e32575c2bfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c3b89850288082c468a648a04799fc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知命题
,命题
:
,
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb586dcfa5547659102e110c90c15254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6670497c20cd171378d0897f835df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae3cf5400de2733166594a284f3f15.png)
A.命题![]() | B.命题![]() |
C.命题![]() | D.命题![]() |
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8 . 已知命题p:
;q:
,直线
恒过第四象限.则下列为假命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306082c9610a81874d1ce7904268645d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7c1a0884628ae5a341579f3488e8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知命题
方程
有两个实数根:命题
函数
的最小值为4,给出
下列命题:①
;②
;③
;④
.则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/eb831d5d2ba605a8fc7e67c2bff1e405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4426903eb63c0cf1b8e19d97f25398f.png)
下列命题:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a31351c3868449fd115650c13152be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0045a603e555d2d2a8ef634f9edf9951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e081bf53f9675309e100fd3dc1ce23d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e7b129c5cd75148a71ecde781ceefa.png)
A.1 |
B.2 |
C.3 |
D.4 |
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2016-12-05更新
|
577次组卷
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7卷引用:广东省广州市天河外国语学校2020-2021学年高二上学期期中数学试题
广东省广州市天河外国语学校2020-2021学年高二上学期期中数学试题2017届河北衡水中学高三上学期一调考试数学(理)试卷2017届河北沧州一中高三10月月考数学(文)试卷(已下线)专题1.3 简单的逻辑联结词、全称量词与存在量词(精测)-2021届高考数学(理)一轮复习讲练测(已下线)专题1.3 简单的逻辑联结词、全称量词与存在量词-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破陕西省铜川市第一中学2021-2022学年高二上学期第二次月考文科数学试题新疆维吾尔自治区和田地区于田县2023届高三上学期11月期中数学试题
解题方法
10 . 已知命题
:若
是非零向量,
是非零实数,则
与
方向相反;命题
:
.则下列命题为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef8c5be108004f082d9e51b10dc0749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d5dfaf60c129f011a642351d3f43a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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