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1 . 命题
:若
,
,则
,命题
:若
,
,则
.在命题①
且
②
或
③非
④非
中,真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193b5fde6a1ae0b80e25600cd8fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078ff5ae3770abd41bd4b9e6fb1d902d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193b5fde6a1ae0b80e25600cd8fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12626c01e645cb74419ce623c25c01be.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.①③ | B.①④ | C.②③ | D.②④ |
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2021-11-05更新
|
127次组卷
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5卷引用:【全国百强校】陕西省西安市长安区第一中学2017-2018学年高二下学期期末考试数学(文)试题
12-13高二上·广东梅州·期末
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2 . 下列有关命题的说法中错误的是( )
A.若p∧q为假命题,则p,q均为假命题 |
B.命题“若x2-3x+2=0,则x=1“的逆否命题为:“若x≠1则x2-3x+2≠0” |
C.若命题p:∃x∈R,使得x2+x+1<0,则¬p:∀x∈R均有x2+x+1≥0 |
D.“x=1”是“x2-3x+2=0”的充分不必要条件 |
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2021-10-30更新
|
512次组卷
|
22卷引用:河南省郑州市八校2019-2020学年高二上学期期中数学(理)试题
河南省郑州市八校2019-2020学年高二上学期期中数学(理)试题河南省郑州市八校联考2019-2020 学年上学期期中高二文科数学试题河南省平顶山市鲁山县第一高级中学2019-2020学年高二4月月考数学(文科)试题(已下线)2011-2012学年广东省梅州市曾宪梓中学高二上学期期末考试理科数学江西省赣州市寻乌中学2019-2020学年高二上学期第二次段考数学(理)试卷甘肃省天水市秦州区第一中学2019-2020学年高二上学期期末数学(文)试题甘肃省天水市第一中学2019-2020学年高二上学期期末数学(文)试题陕西省延安市第一中学2019-2020学年高二下学期6月月考数学(文)试题甘肃省民乐县第一中学2020-2021学年高二上学期期中考试(4部)数学(理)试题河北省深州长江中学2020-2021学年高二上学期第三次月考数学试题广西百色市田阳高中2013-2014学年高二11月月考数学试题(已下线)专题07+1.5.1+全称量词与存在量词(重点练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)新疆乌鲁木齐市第七十中学2021届高三上学期第一次月考(9月)数学(理)试题新疆乌鲁木齐市第七十中学2021届高三(9月)第一次月考数学(文)试题广西师范大学附属外国语学院2021-2022学年高二11月月考数学(理)试题新疆喀什第二中学2021-2022学年高二上学期期中考试数学试题甘肃省民勤县第一中学2021-2022学年高二上学期第二次月考数学(文)试题陕西省西安市临潼区铁路中学2022-2023学年高二上学期第二次月考文科数学试题宁夏青铜峡市宁朔中学2022-2023学年高二上学期线上期末考试数学(理)试题内蒙古包头市第四中学2022-2023学年高二上学期期末考试数学(理)试题广西师范大学附属外国语学院2021-2022学年高二上学期期中数学(理)试题新疆乌鲁木齐市第二十中学2022届高三上学期第一次月考数学试题
名校
3 . 已知命题
:
是偶函数,命题
:若
,则
,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/ceb85e8e0c2998717346b6e97543c38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1853a82a1defbbd900b13e6c71c4d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe2115d883d13561e28006d3f6143b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-09更新
|
415次组卷
|
2卷引用:河南省许昌高级中学2020-2021学年第一学期第二次调研考试高二数学文科试题
4 . 已知命题p:
,命题q:若
,则
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3efc6f063f8856b832a99668ee5e6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced67bb83194a376940fa33d798f54e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa636a3dbc377b129121bd5fdaa68b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知命题
:“
”的否定是“
”;命题
函数
是幂函数,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/166216b75e4dffcd4a357b0375177e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e87207ba3f59b2acc047a62593489cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cffedd7bda0d97b8f7088288768a986.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-12-05更新
|
408次组卷
|
2卷引用:河南省焦作市博爱英才学校2020-2021学年高二第一学期11月月考文科数学试题
名校
6 . 已知
,且
,设
:
,
;
:方程
表示双曲线.
(1)若
为真,求
的取值范围;
(2)判断
是
的什么条件,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e253b0c99440bcfe689bef0fedfbfdeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464d0ceaa88091d8bde013dc3682a194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af24774091eefb200a42fa17ba4a228.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9059219044592024f63637984f86be30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2020-12-03更新
|
407次组卷
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2卷引用:河南省豫北名校2020-2021学年高二上学期11月质量检测数学(文)试题
7 . 已知命题
:“
,
”命题
:“
,
”,当命题“
”是真命题,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87008291cdba83461d58dbc9426d777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae262ad13eb5752cf5034569c704c9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc8440d57dd0500b1c429561d9661a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知命题
是
的充分条件;命题
若
,则
,则下列命题为假命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4483814a83cce3d0f044a9cb8cf796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63af71b9e6f71cd26e6e97541154cd8c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-11更新
|
744次组卷
|
3卷引用:河南省新乡市辉县市第二高级中学2019-2020学年高二下学期期中考试数学(文)试题
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9 . 已知命题
每个二次函数的图象都与
轴相交;命题
公比大于
的等比数列是递增数列.则在命题
,
,
和
中,真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a617a9b648bfb804eb7ac1cf357f8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f731aa23c326a79f5a97c0b805166272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5dd7f1ed3ff8cc5090242bec1a07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ec0f1a600bd9c1f15d8785f26b9521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02904e8aa565992d3d0dc2628db7c529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c7306588917a43ab78fb8f29aca3ff.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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10 . 已知命题
:
,则
;命题
:
,
,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547adc121c442b3bb9189e6df5ee4018.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-05更新
|
270次组卷
|
4卷引用:河南省新乡市辉县市第二高级中学2019-2020学年高二下学期第五次月考数学(文科)试卷