1 . 命题
方程
表示焦点在
轴上的双曲线;命题
若存在
,使得
成立.
(1)如果命题
是真命题,求实数
的取值范围;
(2)如果“
”为假命题,“
”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/86b03b43ac9664b020e0cf8b3cba2be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0777966b305f6b2738cd4f54b978f8d2.png)
(1)如果命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)如果“
![](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)
您最近一年使用:0次
2 . 已知
表示不大于
的最大整数,如
.现给出下列两个命题:
命题
:若
,则
.
命题
:若
,则
.
(1)写出命题
的逆否命题;
(2)判断命题
,
,
的真假,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541935d30792e2dd762161f1c1574777.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583b10b1050c1de417cf05733d9943f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e633261bdb3a711c7c37244360a1cc3d.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def239548f628aa0f3fdb08a3a4bfca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0df5996b04bfc00cb5ba7050f908e47.png)
(1)写出命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)判断命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
2019-10-23更新
|
213次组卷
|
2卷引用:吉林省扶余市第一中学2019-2020学年高二上学期期中考试数学(理)试题
3 . 已知p:二次函数
在[1,+∞)上是增函数;q:指数函数
在定义域内是增函数;命题“
”为假,且“¬ p”为假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9557e8aef15e34235a5293b37256ad69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eb30a80602df31b9b2efbe3f7eece4.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
名校
4 . 已知
为实数.命题
:方程
表示双曲线;命题
:对任意
,
恒成立.
(1)若命题
为真命题,求实数
的取值范围;
(2)若命题“
或
”为真命题、“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b03b43ac9664b020e0cf8b3cba2be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e714b431948d1059c1f09e807dfcbdea.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/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
2019-02-15更新
|
717次组卷
|
4卷引用:黑龙江省齐齐哈尔市第八中学2020-2021学年高二上学期期中考试数学(文)试题
名校
5 . 设
,
或
,
;
函数
在
上为增函数,若
”为假,且“
”为真,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f892e83bf4adcad3136d7842544124f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802c65ce390269222201e549746689a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71df954531b87ae337c5d9a77fdbe37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5f228a6c6a2737ff1e899decb13e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4348004a57d7afd16fb257ec27baee5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521292359d9f1e7d68d1386acc73b093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d426f0f57b67c00ab87e81c9d1d5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-02-14更新
|
875次组卷
|
4卷引用:河南省郑州外国语学校2019-2020学年高二上学期期中数学试题
名校
6 . 已知含有量词的两个命题p和q,其中命题p:任何实数的平方都大于零;命题q:二元一次方程2x+y=3有整数解.
(Ⅰ)用符号“∀”与“∃”分别表示命题p和q;
(Ⅱ)判断命题“(¬p)∧q”的真假,并说明理由.
(Ⅰ)用符号“∀”与“∃”分别表示命题p和q;
(Ⅱ)判断命题“(¬p)∧q”的真假,并说明理由.
您最近一年使用:0次
名校
7 . 已知命题p:方程
表示焦点在
轴上的双曲线,命题q:f(x)=-(5-2m)x是减函数,若p或q为真命题,p且q为假命题,求实数m的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef7ce6ce4a5057d84c54f085bd4d20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
8 . 已知命题p:关于
的不等式
对任意的x∈[1,2]恒成立;q:函数
在R上是增函数,
成立,若
为真,
为假,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d03796ad94613a24f2634722dd9603b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bee0b83702bbd0e451f845d8ffe589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
您最近一年使用:0次
名校
9 . 已知
,已知命题
:方程
表示焦点在
轴上的椭圆;命题
:“函数
在
上为单调增函数.若“
或
”为真命题,“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac2759c82d304966e0de7237dd8e331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0128d2af75b05a8de172852236bebbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-04-27更新
|
526次组卷
|
2卷引用:【全国区级联考】江苏省徐州市铜山区2017-2018学年下学期高二数学(文)期中试题
名校
10 . 已知下列两个命题:
:函数
在[2,+∞)单调递增;
:关于
的不等式
的解集为
.若
为真命题,
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e689b987920af0d6cf7fd768b24cb6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a41323eb0f1f5f5d85dd763bdb799e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429d9cd4fe4a885ac06831a7b8eb3dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ba9507faa6aaad768f19a0ebdad5a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-04-25更新
|
542次组卷
|
7卷引用:江西省赣州市十四县(市)2017-2018学年高二下学期期中联考数学(文)试题