题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054325-87432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054326-80503.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054326-38594.png)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-44174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-55421.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-42149.png)
(1)用含x的代数式表示AE、DE的长度;
(2)当点Q在BD(不包括点B、D)上移动时,设
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-31599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-32237.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-30609.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-36442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-36442.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-36442.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054321-31599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054316-16738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054317-80586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054317-69682.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054317-72833.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054317-95122.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054317-19651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054318-10489.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054318-79920.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054316-16738.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054318-21325.png)
A.68米 | B.70米 | C.121米 | D.123米 |
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054318-32872.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054310-15830.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054310-82846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054310-82846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054310-61736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054311-85758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054304-25867.png)
(1)画
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054305-18756.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054305-26174.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054305-64093.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054305-40436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-36163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-65931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-66318.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-81323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-31657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-36163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-70751.png)
(1)若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-36163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-65931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-31657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-36163.png)
①如图1,若
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-23009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-44074.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-52733.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-89816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-39795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-23487.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-19258.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-29574.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-35011.png)
②如图2,若
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-41382.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-44741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-65931.png)
(2)如图3,若直线
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-36163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054257-65931.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-36807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054258-50255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191103/20191103054259-51756.png)
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