题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-79037.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-64325.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-21736.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-22461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-25601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-62581.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
小题1:请你将
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
小题2:我们把上述求
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-46454.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-28212.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-99921.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-10390.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-83788.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
小题3:若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120221-30867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-46140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-64692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120222-84068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120223-78437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120223-29323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120223-61440.png)
答案
小题1:如图
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120223-44891.png)
S△ABC=3×3-
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-70657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-70657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-70657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-38077.png)
小题2:S△ABC=4a×2a-
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-65641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-48668.png)
小题3:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-11045.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120224-12659.png)
解析
核心考点
试题【问题背景:在中,、、三边的长分别为、、,求这个三角形的面积.小辉同学在解答这道题时,先建立一个正方形网格(每个小正方形的边长为1),再在网格中画出格点(即三个顶】;主要考察你对解三角形等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120217-37578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120217-67601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120218-45204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120218-69816.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120218-29257.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120213-13041.png)
A.![]() | B.![]() | C.40米 | D.10米 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120205-64537.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120205-76612.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120206-54810.png)
小题1:求A、B之间的路程
小题2:请判断此出租车是否超过了城南大道每小时60千米的限制速度?
(参考数据:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120206-48648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120206-62015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120202-11760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104120158-33551.png)
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