题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-83218.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-40878.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-31901.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-12475.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-39507.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-17146.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-39082.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-93407.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-32587.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-86900.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-40878.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-28028.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-95986.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-62599.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-93316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-95986.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-21420.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-28028.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-95986.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-12727.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-41728.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-87852.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-33166.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172920-21415.gif)
又点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172919-33166.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172920-55731.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-17146.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172920-65134.gif)
即
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172920-78766.gif)
由①②联立可得
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172921-62235.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172921-92279.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-28028.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172917-16640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-39082.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172918-93407.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172907-74947.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172907-46059.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172908-87016.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172908-94466.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172908-94466.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172859-73487.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172859-19175.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172900-69738.gif)
求证:方程
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172900-22222.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172900-47495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172900-95975.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172900-69738.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172847-73753.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172847-76573.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172847-26123.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172840-47658.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172840-96055.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022172840-47658.gif)
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