1 . 已知命题p:
,
,q:
,
,则在命题
;
;
;
中,真命题的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511a12f75b3a170b54366d51caf098b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff508dbffa62a8277244621072baf81e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df882a757ebc04ffdb3437cb281bbb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e60a03a4fe871fcd3a77438fbfdbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f715171f2d195932394d794f27dc516e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00e667135c6a91b6b00dc5662aca01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cccdad1514aeb0e68ff2749c7520e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e99f94596210804cb730f6e2c7f61ee.png)
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2 . 已知
指数函数
在
上为减函数;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
,
.则使“
且
”为真命题的实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/added624b4001e9c75bc815ba97aa2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffa257f460e4ac09d2c68954d5c824d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3074c241e56866bca35b15a7e92b83c.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/36a1b09c653185842513e24ebba60bb3.png)
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2019-04-28更新
|
478次组卷
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3卷引用:【校级联考】江苏省常州“教学研究合作联盟”2018学年度第二学期期中质量调研高二 数学(文科)试题
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3 . 已知c>0,设命题p:函数y=cx为减函数.命题q:当x∈
时,函数f(x)=x+
恒成立.如果“p∨q”为真命题,“p∧q”为假命题,则c的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7fefece0cf6660a409832f72dff95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a16987a5067235f88c32bb70de916d.png)
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2018-10-13更新
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1337次组卷
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13卷引用:山西省吕梁市离石区2018-2019学年高二下学期期末数学(文)试题
山西省吕梁市离石区2018-2019学年高二下学期期末数学(文)试题安徽省宣城市2019-2020学年高二上学期期末文科数学试题江西省南昌市实验中学2019-2020学年高二5月摸底考试数学试题安徽省宣城市2019-2020学年高二下学期期末数学(文)试题江西省赣州市赣县第三中学2019-2020学年高二6月份考试数学(文)试题吉林省白城市洮南市第一中学2020-2021学年第一学期高二期中考试数学(理)试题(已下线)专题11+常用逻辑语句-2020-2021学年【补习教材·寒假作业】高二数学(文)(人教A版)(已下线)专题11+常用逻辑语句-2020-2021学年【补习教材·寒假作业】高二数学(理)(人教A版)湖南省长沙市雅礼中学2019-2020学年高二上学期第一次月考数学试题四川省遂宁中学校2019-2020学年高二下学期第二次月考数学(理)试题四川省遂宁中学校2019-2020学年高二下学期第二次月考数学(文)试题【全国百强校】甘肃省兰州第一中学2019届高三9月月考数学(文)试题(已下线)BBWYhjsx1002.pdf
18-19高三·河北·阶段练习
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4 . 已知命题
;命题
是增函数.若“
”为假命题且“
”为真命题,则实数
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b4b5021ff005d7aad4f4d948d27b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff269581844eab60ee4448002e3a47d.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-10-05更新
|
1401次组卷
|
5卷引用:【全国百强校】广东省湛江第一中学2018-2019学年高二上学期第二次大考数学(理)试题
名校
5 . 命题
:“
”,命题
:“
”,若“
”为真命题,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/ac3d04de2e19625f2c59b917601fa12a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52052052cbe47415d2f12a6f110a189b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-01-09更新
|
1298次组卷
|
2卷引用:河北省唐县一中2018-2019学年高二上学期期中考试数学(理)试题
6 . 已知命题
函数
在
内恰有一个零点;命题
函数
在
上是减函数,若
为真命题,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f83f98ea28db9b7e8377949d4eb469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/399a9e95486ea78bfb95799c7d2ce96e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-09-26更新
|
530次组卷
|
2卷引用:【全国百强校】黑龙江省大庆铁人中学2018-2019学年高二上学期期末考试数学(文)试题
名校
7 . “p∨q为真命题”是“p∧q为真命题”的_________ (填’充分不必要条件‘必要不充分条件’‘充要条件,既不充分也不必要条件’中的一个)
您最近一年使用:0次
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8 . 已知命题
方程
有两个不等的实根;命题
方程
无实根,若“
”为真,“
”为假,则实数
的取值范围为___________ .(写成区间的形式)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30093371957cc3d85050dffb500bd72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23883e808a37c6a5cb97135ae52ff429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba61bb1a5f689b6f247d2c01d35e1c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e6cc5ac30d1cb123d3427afb852ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d426f0f57b67c00ab87e81c9d1d5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-12-20更新
|
528次组卷
|
3卷引用:广东省广州市第二中学2018-2019学年高二上学期期中考试数学文试题
广东省广州市第二中学2018-2019学年高二上学期期中考试数学文试题(已下线)第2章+常用逻辑用语单元测试(基础卷)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第一册)安徽省滁州市定远县重点中学2020-2021学年高二上学期期末数学(文)试题
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9 . 下列说法中错误的序号是: _________
①已知
恒成立,若
为真命题,则实数
的最大值为2;
②已知三点
共线,则
的最小值为11;
③已知
是椭圆
的为两个焦点,点
在椭圆
上,则使三角形
为直角三角形的点
个数4 个;
④在圆
内,过点
有
条弦的长度成等差数列,最小弦长为数列的首项
,最大弦长为
,若公差
那么
的取值集合为
.
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c2b26b6579f1dd9875d2f24e943f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②已知三点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862bc1c9704866110be9e687ed5324be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c889f50235620e5dbe7e9eeb8480a922.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b3cfb07fcf2c1bf055d517631d80b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④在圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8488cc02b3cd29f714dc01b78ae70bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82cc839d42762fb509859035b11dae8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03019ae02ab0bf6d2b9e1a1463b48e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425bb20228455bae806d83e90c53da14.png)
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10 . 已知命题p:对任意的
,不等式
恒成立,则
为______ ;若
为假命题,则m的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187086d22c4c4b1daf2ff2b815583d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b383bcfa3517d27eca2d9622980a7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b47d89dd3bb1a4b0b425020fc454f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b47d89dd3bb1a4b0b425020fc454f0.png)
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2018-12-10更新
|
1030次组卷
|
3卷引用:浙江省宁波市鄞州中学2018-2019学年高二(上)期中考试数学试题