名校
1 . 已知命题
:方程
表示焦点在
轴上的双曲线,命题
:关于
的方程
无实根.
(1)若命题
为真命题,求实数
的取值范围;
(2)若“
”为假命题,"
”为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16688ad5528e9f6b09ac35e974a9e089.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959cbc16e0e959968a6eeb1a0de51fd7.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“
![](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
2021-12-23更新
|
396次组卷
|
2卷引用:陕西省铜川市第一中学2021-2022学年高二上学期第二次月考文科数学试题
名校
2 . 已知集合
.
(1)若
,求
;
(2)若
,设命题
,命题
.已知p是q的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/834ea3be1f3064fa981d10290cf79e45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e8c0b21814215cecac5db42a41ce349.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
您最近一年使用:0次
2021-12-20更新
|
862次组卷
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4卷引用:陕西省榆林市第十中学2020-2021学年高二下学期期末文科数学试题
名校
3 . 已知命题
:若
,则
,命题
:若
,则
,在命题:①
,②
,③
,④
中,真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39f8269ee6226045f1686d6344b6312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8073266cfa99b04190473d16b615a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e48ebdd742cb5d310c21a384d599bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6777065ed14d76944be5cb45d9e2c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ec462bf710da2686811c69d8a68ab5.png)
A.①③ | B.①④ | C.②③ | D.③④ |
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4 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb1b56537d34298ffaf63229c2eb36b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d6282b22154c529d9dc61ff57e0f3d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-18更新
|
647次组卷
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3卷引用:陕西省渭南市韩城市新蕾中学2021-2022学年高二上学期第四次月考文科数学试题
陕西省渭南市韩城市新蕾中学2021-2022学年高二上学期第四次月考文科数学试题浙江省杭州市学军中学2021-2022学年高三上学期12月月考数学试题(已下线)专题2.4 模拟卷(4)-2022年高考数学大数据精选模拟卷(新高考地区专用)
解题方法
5 . 若函数
的定义域为
,函数
的定义域为
,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b70d4e0360dee8d94a5776ed607660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19173feeb190b1aaf9d489d9b0437834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fd4b641edd2c317f4febc7be65a154.png)
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名校
解题方法
6 . 已知全集
,若集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f76755d383278527e6a2872042c435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b25ad2a2ae7300cff3edef8687b2eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
名校
7 . 设
,
均为单位向量,则“
”是“
⊥
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc9e54a714aab89940b3966c2830270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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2021-12-16更新
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541次组卷
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4卷引用:陕西省西安市长安区第一中学2021-2022学年高二上学期期中文科数学试题
名校
解题方法
8 . 已知全集
,集合
则下图中阴影部分所表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/0edd26c4-c629-4df1-8d5f-9092003c7f71.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd1efdbdcb2bc5ed715e5a63c3be0d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ea50286b54158c2ae22e992cd8fb16.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/0edd26c4-c629-4df1-8d5f-9092003c7f71.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-16更新
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1353次组卷
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8卷引用:陕西省西安市长安区第一中学2021-2022学年高二上学期期中文科数学试题
名校
9 . 下列说法正确的是( ).
A.命题![]() ![]() ![]() ![]() ![]() ![]() |
B.命题“若![]() ![]() ![]() ![]() ![]() ![]() |
C.命题“若![]() ![]() |
D.“![]() ![]() |
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2021-12-15更新
|
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4卷引用:陕西省西安市长安区第一中学2021-2022学年高二上学期第二次月考理科数学试题
名校
10 . 下列有关命题的说法错误的是( )
A.命题“若![]() ![]() ![]() |
B.“![]() ![]() |
C.若集合![]() ![]() |
D.对于命题 p 存在![]() ![]() ![]() ![]() ![]() |
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