1 . 已知集合
.
(1)若
,求
;
(2)若
,设命题
,命题
.已知命题
是命题
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd348db6b20764f3e5c9bac77f8bf91.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9ecabaa402a3ec070d6e1ca76885dc.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)
![](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
2023-12-20更新
|
201次组卷
|
2卷引用:新疆昌吉州行知学校2021-2022学年高二上学期期末数学(理)试题
名校
2 . 设
,不等式
的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f0c15b523ecdcc1ec11c06e57f87f9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-15更新
|
727次组卷
|
5卷引用:高二数学开学摸底考(文科全国甲卷、乙卷专用)-2023-2024学年高中下学期开学摸底考试卷
(已下线)高二数学开学摸底考(文科全国甲卷、乙卷专用)-2023-2024学年高中下学期开学摸底考试卷广东省深圳实验学校高中部2023-2024学年高一上学期第二阶段考试数学试题上海市同济大学第二附属中学2023-2024学年高一上学期末考试数学试卷四川省泸州市泸县第一中学2024届高三上学期期末数学(理)试题天津市第七中学2024届高三三模数学试题
解题方法
3 . 已知集合A=
,集合B=
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d0144832a7686ea9b58a984b857d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ee21a3da30aa9bfdab43ef0ece23f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 设全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465524dc9d3ce616032fc2a59bf14f60.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd5f1d68a4054a2678c1402da9dbea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70da2da7512606299eb9666d4c6f1764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613aad6f482efbe4ad3255d0fc0b6564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465524dc9d3ce616032fc2a59bf14f60.png)
您最近一年使用:0次
5 . 设集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de19d960f335bbfd921d9fd4e89a41c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162d56faf23ac5c4eb4f87cf1eb8aa45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 设集合
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5646d3c4b7d03eb84a47af7e46abf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a65436c7b6ddae2e0694d40925cc41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5092fa5d69ef524f9261f3fca4bc9de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d3242680125e08df85b240bdbf2e7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 数集
中的
不能取的数值的集合是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15cfce648681e4963a92826633a6dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f7f61005b0c32740301ef1c702e1a2.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
9 . 已知命题p:
,q:
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
A.p是q的必要条件 | B.p是q的充分条件 |
C.p是q的充要条件 | D.q是p的必要条件 |
您最近一年使用:0次
2023-11-14更新
|
130次组卷
|
2卷引用:新疆生产建设兵团第三师图木舒克市第一中学2023-2024学年高二上学期第三次月考数学试题
10 . “
,
”是“方程
表示的曲线为椭圆”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a916811b6ae474bce19ce732cf401e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1218eda19f74a1ed50ab106265c6621f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1542c48f287494f0c5f70a5c9eb6bfd.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次