名校
1 . 已知命题
:实数
满足
,命题
:实数
满足
.
当
时,若“
且
”为真命题,求实数
的取值范围;
若
是
的必要不充分条件,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/f0ccac2547947fddef376468ed3a59f9.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/94232edf96236fa20c9326132dfbd840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.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
2020-12-15更新
|
241次组卷
|
4卷引用:浙江省宁波市金兰教育合作组织2020-2021学年高二上学期期中联考数学试题
浙江省宁波市金兰教育合作组织2020-2021学年高二上学期期中联考数学试题(已下线)第一章 (基础过关)集合与常用逻辑用语 A卷-【双基双测】2021-2022学年高一数学同步AB卷(浙江专用)(人教A版2019必修第一册)吉林省延边第二中学2020-2021学年高二下学期期末考试数学(文)试题(已下线)期中模拟题(三)-2021-2022学年高一数学同步AB卷(人教A版2019必修第一册,浙江专用)
名校
解题方法
2 . 设全集
,函数
的定义域为集合
,集合
,命题
:若______时,则
,从①
,②
,③
这三个条件中选择一个条件补充到上面命题
中,使命题
为真,说明理由;并求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f0ccd1a2e08535f20d9d3429977d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38345b28f2c3e80dab21188192b7d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c6551ee063ba33d1896f24275f921a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159ab0a801b54df6535a0a6a16cc556.png)
您最近一年使用:0次
2020-02-14更新
|
675次组卷
|
6卷引用:山东省菏泽市23校联考2019-2020学年高一上学期期末数学试题(B)
3 . 已知p3+q3=2,求证:p+q≤2.
您最近一年使用:0次
4 . 写出下列命题的逆命题、否命题、逆否命题,并判断其真假.
(1) 若x2+y2=0,则x,y全为零;
(2) 若xy=0,则x,y中至少有一个是零.
(1) 若x2+y2=0,则x,y全为零;
(2) 若xy=0,则x,y中至少有一个是零.
您最近一年使用:0次
5 . 设
:实数
满足
,
:实数
满足
.
(Ⅰ)当
时,若
为真,求实数
的取值范围;
(Ⅱ)当
时,若
是
的必要条件,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/4e214ee67f5ab6252520118d1c718b3a.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/1495e524e9341750e16d3a7033829da0.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-07-17更新
|
1986次组卷
|
8卷引用:【全国校级联考】福建省龙岩市一级达标校2017-2018学年高二下期期末考试文科数学试题
【全国校级联考】福建省龙岩市一级达标校2017-2018学年高二下期期末考试文科数学试题安徽省江南片2019届高三上学期开学摸底联考理科数学试题【市级联考】河北省廊坊市2018-2019学年高二第二学期期中联合调研考试文科数学试题河北省廊坊市2018-2019学年高二第二学期期中联合调研考试文科数学试题(已下线)专题1.2 命题及其关系、逻辑联结词、充分条件与必要条件-《2020年高考一轮复习讲练测》(浙江版)(已下线)专题1.2 全称量词与存在量词、充要条件(讲)-2021年新高考数学一轮复习讲练测四川省凉山州2019-2020学年高二上学期期末考试数学(理科)试题(已下线)专题1.2 全称量词与存在量词、充要条件(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)
名校
6 . 命题p:f(x)=-x2+2ax+1-a在x∈[0,1]时的最大值不超过2,命题q:正数x,y满足x+2y=8,且
恒成立. 若p∨(¬q)为假命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9994adb5bafaec9a6eeac56987917347.png)
您最近一年使用:0次
名校
7 . 已知命题
:方程
有解;命题
:函数
在R上是单调函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9eae76659727e87c9d5fae07843a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20542b1e579f878f372dc04fb4ca409.png)
(1)当命题为真命题时,求实数
的取值范围;
(2)当为假命题,
为真命题时,求实数
的取值范围.
您最近一年使用:0次
16-17高二下·江苏南通·期末
8 . 已知命题
:方程
有解;命题
:函数
在R上是单调函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9eae76659727e87c9d5fae07843a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20542b1e579f878f372dc04fb4ca409.png)
(1)当命题为真命题时,求实数
的取值范围;
(2)当为假命题,
为真命题时,求实数
的取值范围.
您最近一年使用:0次