1 . 已知p:2+2=5,q:3>2,则下列判断中,错误 的是
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() ![]() |
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名校
2 . 下列命题正确的是
(1)命题“
,
”的否定是“
,
”;
(2)l为直线,
,
为两个不同的平面,若
,
,则
;
(3)给定命题p,q,若“
为真命题”,则
是假命题;
(4)“
”是“
”的充分不必要条件.
(1)命题“
![](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/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df62f80ddca67284233c37c026e4c820.png)
(2)l为直线,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daac3b69009a27d28fa04fd88c9bb102.png)
(3)给定命题p,q,若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
(4)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c1fc049a87888752174ddea4187c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c95fa7f61564978c8e26616bc14449e.png)
A.(1)(4) | B.(2)(3) | C.(3)(4) | D.(1)(3) |
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2019-04-29更新
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7卷引用:【全国百强校】湖北省武汉市华中师范大学第一附属中学2018-2019学年高二下学期期中考试数学(文)试题
名校
3 . 已知命题
是命题“若
,则
”的否命题;命题
:若复数
是实数,则实数
,则下列命题中为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34c5832f3fe28f48a924854cb8814ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2dd8f3f678de46393f2365264bea3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-07-07更新
|
325次组卷
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3卷引用:【全国校级联考】湖北省孝感市重点高中协作体2017-2018学年高二下学期期末联考数学(文)试题
名校
4 . (1)已知命题
:实数
满足
,命题
:实数
满足方程
表示的焦点在
轴上的椭圆,且
是
的充分不必要条件,求实数
的取值范围;
(2)设命题
:关于
的不等式
的解集是
;
:函数
的定义域为
.若
是真命题,
是假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955c7952043e50e8f92bbe5bef7c5315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeea9ab56d00e8ebb01fa4fef5db2fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5470a9b61b977a616dada0ec62cbfc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cf3b2b1b982ecf18c5f02d963c6c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-07-07更新
|
539次组卷
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2卷引用:【全国市级联考】湖北省襄阳市2017-2018学年高二下学期期末考试数学(理)试题
5 . 命题
:若
,则
是
的充分不必要条件;命题
:函数
的定义域是
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c34b9e054b33f5d43986e3876a13ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531fc1cfbb7b46376a48ea360fa1de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67f412fb0cb30f16fd21a1ae2559e77.png)
A.“![]() ![]() | B.“![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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解题方法
6 . 已知命题
:不等式
的解集为
;命题
:“
”是“
”成立的充要条件.有下列四个结论:①“
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a45a62af2453837041c28e79295415.png)
”为真;②“
且
”为真;③“
或
”为真;④“![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a45a62af2453837041c28e79295415.png)
或
”为真.其中真命题的序号是________ .(请把正确结论的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0490198de9b64d652c4256d54b041d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e576e3c4dc61bb1cca2c091b2d5682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5addd0c822fa3c5ac9c7db649f6682cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a45a62af2453837041c28e79295415.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a45a62af2453837041c28e79295415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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7 . 下列命题正确的是
A.命题“![]() ![]() ![]() |
B.命题“若![]() ![]() |
C.“![]() ![]() |
D.命题“存在![]() ![]() ![]() ![]() |
您最近一年使用:0次
2018-04-27更新
|
1139次组卷
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6卷引用:湖北省荆州市2018届高三质量检查(III)数学(理科)试题
湖北省荆州市2018届高三质量检查(III)数学(理科)试题湖北省荆州市2018届高三质量检查(III)数学文试题【全国市级联考】湖北省宜昌市2018届高三4月调研考试数学(理)试题【全国市级联考】湖北省宜昌市2018届高三4月调研考试数学(文)试题(已下线)2018年5月9日 押高考数学第3题(1)——《每日一题》2018年高三理科数学四轮复习(已下线)2018年5月9日 押高考数学第3题(1)——《每日一题》2018年高三文科数学四轮复习
真题
名校
8 . 已知命题
对任意
,总有
;
是方程
的根
则下列命题为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a0f5690de8297547fdb1c542960a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106a86e19ffb10da640b7bca6cd665b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed919c5b87f48f117bcddee8783f6f06.png)
则下列命题为真命题的是
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-30更新
|
2857次组卷
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12卷引用:2014-2015学年湖北省武汉部分重点中学高二下学期期中文科数学试卷
2014-2015学年湖北省武汉部分重点中学高二下学期期中文科数学试卷2014年全国普通高等学校招生统一考试文科数学(重庆卷)(已下线)2019高考备考一轮复习精品资料 【文】专题三 简单的逻辑联结词 教学案黑龙江省海林市朝鲜族中学人教版高中数学选修1-1同步练习:模块终结测评(一)黑龙江省双鸭山市尖山区第一中学2019-2020学年高二上学期期中数学(文)试题2020届福建省龙海市第二中学高三上学期期初数学文试题安徽省马鞍山市第二中学2020-2021学年高二上学期12月月考理科数学试题宁夏青铜峡市高级中学2020-2021学年高二下学期期中考试数学(文)试题(已下线)考点03 逻辑联结词、全称量词与存在量词-备战2022年高考数学(文)一轮复习考点帮内蒙古包头市第四中学2020-2021学年高三上学期期中考试数学(文)试题甘肃省甘南藏族自治州合作第一中学2021-2022学年高二上学期期末考试数学(理)试题青海省西宁北外附属新华联外国语高级中学2023-2024学年高三上学期第一次月考数学试题
9 . 给出下列两个命题:
:
,
,
:若
,则
,那么下列命题为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f5fb2ea8c3b49c4352ffd6363bee54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a0334f686b3d2c7f8bb2b961ce3d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1a2cbcc1fb41a01668f1808267df4d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知命题
:函数
的定义域为
;命题
,使不等式
成立;命题 “
”为真命题,“
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9463711da5213ff0680bfd5430edb33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa0583842bff0b9ac0a539656f88099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925ae4dc7a28c959b600191216b2abe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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