2019高三·全国·专题练习
名校
1 . 已知命题
方程
在
在存在唯一实数根;
,
.
(1)若命题
为真命题,求实数
的取值范围;
(2)若
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e07b1ec9a6dd6663fd6093d3567fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6fc004861e4a5780736acea3a9e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193aa09434580c98dc07a017019fe310.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2930ea93d66c0384840dc39c701bda5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-10-12更新
|
509次组卷
|
4卷引用:2019年9月湖北省黄冈市高三质量检测数学(理)试题
2019年9月湖北省黄冈市高三质量检测数学(理)试题湖北省黄石市2019-2020学年高三上学期9月调研理科数学试题(已下线)1.2常用的简易逻辑用语[理]-《备战2020年高考精选考点专项突破题集》2020届江西省赣州市石城中学高三上学期第一次月考数学(理)试题
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解题方法
2 . 已知命题
:函数
在
上是减函数,命题
,
.
(1)若
为假命题,求实数
的取值范围;
(2)若“
或
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b008c273e2d10eed7f6598fec3fff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a1f815b0e0b6516b684a93e1850667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b170b09056bd176734c4f6e2db0899c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a018b237b7d78500fb391525434dc79.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-05-22更新
|
579次组卷
|
3卷引用:湖北省孝感市八校教学联盟2017-2018学年高二下学期期中联合考试数学(理)试卷
名校
3 . 已知命题
,
,命题
,
.
(l)若命题
为真命题,求实数
的取值范围:
(2)若命题
和命题
有且只有一个为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15deb18a838258fd67dc2b2895e9a353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edfdb02e76fe82820d7baca2f58521e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9395bb671c68b418ec6931cfc8366e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b7c6cadf0961ed2a40aa2fcbf074b9.png)
(l)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知
,
;
,
.若
为真而
为假,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c204575d0bb275b4774794fa79b99c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8de3460ce54eb7d478fb012c73b2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9395bb671c68b418ec6931cfc8366e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c276cd0442090049ddc455a778c3753.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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2020-04-28更新
|
261次组卷
|
10卷引用:湖北省咸宁市五校2016-2017学年高二3月联考数学(理)试题
湖北省咸宁市五校2016-2017学年高二3月联考数学(理)试题湖北省鄂东南省级示范高中教育教学改革联盟学校2018-2019学年高二下学期期中联考数学(文)试题湖北省武汉市第十四中学2021-2022学年高一上学期10月月考数学试题2016-2017学年黑吉两省八校高二上期中数学(理)试卷2016-2017学年黑吉两省八校高二上期中数学(文)试卷【全国市级联考】福建省长乐高级中学2017-2018学年高二下学期期末考试数学(文)试题(已下线)活页作业6-2018年数学同步优化指导(北师大版选修1-1)人教版 全能练习 选修1-1 第一章 常用逻辑用语 全称量词与存在量词安徽省芜湖市第一中学2020-2021学年高一上学期期中数学试题吉林省白城市洮南市第一中学2021-2022学年高一上学期期中考试数学试题
名校
5 . (1)计算:
;
(2)若命题“存在
,使得
”是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1afe74a57ec5df79640a50ba7299223.png)
(2)若命题“存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f231c541c0ec4e70f14195d270610c70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-22更新
|
149次组卷
|
2卷引用:湖北省黄冈市黄梅国际育才高级中学2022-2023学年高三上学期期中数学试题
12-13高二上·福建厦门·期中
名校
6 . 设命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
成立;命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
成立,如果命题
或
为真命题,命题
且
为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8e23bbaaa752a2e81de0c1c3c88280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbed9b446ef8eb37ec8c726783cde2e2.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/0a6936d370d6a238a608ca56f87198de.png)
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