1 . 已知
,
;
,
.
(1)若
为真命题,求实数
的取值范围;
(2)若
与
的真假性相同,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea9702708f8463975c94119fa50f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de3ab84b11eb84c754f3b1779378cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b0ad8cc47f7174ef1c0355d335863a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511b04f5a900da2bf500c6f2e400ff0c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.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
2020-03-15更新
|
772次组卷
|
4卷引用:山西现代双语学校南校2021-2022学年高二下学期期中数学试题
山西现代双语学校南校2021-2022学年高二下学期期中数学试题2020届海南省高三第一次联考数学试题(已下线)专题1.5 “真假猴王”-全称命题与特称命题-备战2022年高考数学一轮复习一网打尽之重点难点突破(已下线)考点02 常用逻辑用语-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)
名校
2 . 设命题
:函数
的值域为
;命题
:不等式
对一切
均成立.
(1)若
为假命题,求实数
的取值范围;
(2)若命题
,
至少有一个是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fa968a7c47f7fdcdf50f6755908bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b83e57aaba958eca0fd8135158f8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题
![](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)
您最近一年使用:0次
2020-12-01更新
|
387次组卷
|
2卷引用:山西省长治市第二中学校2020-2021学年高二上学期期中数学(理)试题
名校
3 . 已知命题
:对任意实数
都有
恒成立;命题
:关于
的方程
有实数根.
(1)若命题
为假命题,求实数
的取值范围;
(2)如果“
”为真命题,且“
”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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abdea09520a9022a2f1e07bf12afe6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed96a4869723b318e458de59d80342e8.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如果“
![](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)
您最近一年使用:0次
2020-12-01更新
|
298次组卷
|
2卷引用:山西省长治市第二中学校2020-2021学年高二上学期期中数学(文)试题
名校
4 . 设命题
,命题
.
(1)若
,命题“
”为真,求实数
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef39e5a31d3f55be18e8533d4e84fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7c7797aff402595a6a96bb36220bce.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-01更新
|
253次组卷
|
3卷引用:山西省长治市第二中学校2020-2021学年高二上学期期中数学(理)试题