解题方法
1 . 已知集合
,集合
,函数
的定义域为集合
.
(1)若
,求集合
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0f7a3a706f90bb69bc2bbb1fe4bc7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f660f11c86c3d4450a68c4293adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d180c600efe0e9df9fab937492eb817.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 若全集
,集合
,
,图中阴影部分所表示的集合为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/6be6d4a5-8d7b-479a-87c5-110a909fef88.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3e2050dc36a5984b27f430eb834b472.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/6be6d4a5-8d7b-479a-87c5-110a909fef88.png?resizew=180)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-24更新
|
603次组卷
|
8卷引用:安徽省示范中学培优联盟2019-2020学年高一上学期冬季联赛数学试题
3 . 设集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3762a3d6b371abe5ac3c8338c1c31704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65407f3cbd34ca7d8b450d2c8c466511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 如图,全集
,
,则图中阴影部分所表示的集合是
![](https://img.xkw.com/dksih/QBM/2018/5/27/1954537909698560/1957119613100032/STEM/c9b7c783-abad-4ed8-96d4-5e2a59fb30dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c185dce58684fbbf9a1f020cc28db3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40312144eed9a6d45a8907083a9ab846.png)
![](https://img.xkw.com/dksih/QBM/2018/5/27/1954537909698560/1957119613100032/STEM/c9b7c783-abad-4ed8-96d4-5e2a59fb30dc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-31更新
|
561次组卷
|
3卷引用:【全国校级联考】安徽省示范高中培优联盟2017-2018学年高一下学期春季联赛数学(理)试题