题目
题型:解答题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-42149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-44212.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-29223.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-70357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
解析
试题分析:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-44212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-90821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-43378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-90821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-43378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001807-69760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-43378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-29223.png)
试题解析:解:(1)∵
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-44212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-90821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-43378.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-14195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-28581.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-70357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-20789.png)
检验知:
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-70357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
(2)∵
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-29223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-44212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-70357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-70357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001809-54456.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001810-17520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001810-10545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001810-86042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001810-48052.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001808-52504.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001759-41187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001759-10210.png)
(1)求集合
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001759-10542.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001759-51940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001759-90759.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001757-65094.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001757-97679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001751-54368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001752-45271.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001752-15223.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001746-96889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001746-19616.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001746-46365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001746-31392.png)
(2)当
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001747-35901.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001747-66129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001736-87599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001737-70471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001737-38832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190815/20190815001737-81139.png)
A.96 | B.94 | C.92 | D.90 |
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