题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161516-26938.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161516-37065.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161516-83146.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161457-56726.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161457-57767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161457-16214.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161457-76754.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161458-32252.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161458-50856.gif)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161458-43981.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161458-44458.gif)
(2)求证
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161458-56745.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161459-79242.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161457-56726.gif)
(3)解不等式
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161459-58153.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-57959.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-61075.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-62206.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-33668.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-13349.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161449-61075.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161450-50779.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161450-23631.gif)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分又不必要条件 |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161433-77499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161433-38726.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161434-95659.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161434-97807.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161341-66945.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161342-73409.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161303-96207.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200205/20200205161303-69117.gif)
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