题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001215-38606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001216-45248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001216-63280.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001216-10358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001216-32274.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001217-83870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001217-21230.png)
解析
试题分析:设
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001217-21446.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001218-24864.png)
∵
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001218-63059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001218-51811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001218-57983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-20294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-35911.png)
而
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-64614.png)
又∵
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-41024.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001220-28865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001220-69540.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001220-61070.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001220-34544.png)
当
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-35911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-20294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001220-64943.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-35911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001219-20294.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001217-21230.png)
点评:本题求复数
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001221-35299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001221-40386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001221-84458.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001216-32274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001221-40386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001221-34098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001222-72878.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001031-38030.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002001032-55571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000955-54327.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000955-78804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000955-54327.png)
A
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000955-48104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000956-82018.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000956-42283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000956-84381.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000852-86391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000852-10114.png)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000852-45427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000853-56068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000743-58506.png)
A.-3 | B.3 | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191002/20191002000737-75094.png)
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