名校
解题方法
1 . 已知
表示集合A中整数元素的个数,若集合
,集合
,以下选项错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10cc7cb1a48c97d473dded0d34dd7378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59d43ba24f204b666c3ce4c4264b00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31498e0da76e11c47b16f1277921c52c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 设全集
,集合
,
.
(1)求
;
(2)若集合
,满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba4f1baabfa25071856d0ef5096e8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4a14151c730fcacdb2f9d4418caf95.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db265773aaa855915ed0b8d3f66a70a.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eed54335a4bd9c88db5b253fc33c44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1044cd14484db33772a038bdd4fe3373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ba4709c1bdedac8b704dce9400a6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6070c0cadab359fe4664175feeccfd0c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fdf5a6e9b2d7c23d57798318da453.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-02更新
|
758次组卷
|
3卷引用:青海省西宁市大通县第一中学2024届高三第二次月考数学文科试题
4 . 设函数
的定义域为集合
,集合
,
(1)若
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d9ddb1a1993c8a6b6197ed6613e2af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6923571c3e49e17070110a23e06c9473.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a81e971f501d78f5560c0c3d42f0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb0e48c1c19a920fefe17096bb737d9.png)
您最近一年使用:0次
2017-10-13更新
|
502次组卷
|
5卷引用:青海省西宁市大通回族土族自治县第一完全中学2024届高三第二次月考数学(理科)试题
5 . 已知集合
,集合
,
,则下图中阴影部分所表示的集合为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4082d3d5986f0df1a1e85fd9da8a4a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d354687618a2656effc8baa9a3920e69.png)
您最近一年使用:0次
2017-09-17更新
|
919次组卷
|
6卷引用:青海省西宁市大通回族土族自治县第一完全中学2024届高三第二次月考数学(理科)试题