题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-19364.jpg)
解:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-87252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-77397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-92677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-10941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-38183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-28795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-99498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-19698.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-19989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-72229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-92677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-87252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-77397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-92677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-10941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-38183.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-28795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-99498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120034-19698.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-19989.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-72229.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120033-92677.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120035-41263.png)
解析
核心考点
试题【填空题:如图,AB//CD,∠ABC=50°,∠CPN=150°,∠PNB=60°,∠NDC=60°,求∠BCP的度数。解:,(已知),(等量代换)______】;主要考察你对点、线、面、体等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120022-50002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120016-25064.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120012-88785.png)
(A)30° (B)60° (C)120° (D)150°
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120007-73784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120007-14631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120008-14068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120008-39344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120008-14068.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120008-39344.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120007-73784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120007-14631.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021120008-44933.png)
请从这三个条件中选择两个作为条件,另一个作为结论组成一个真命题,并进行证明,
已知:
求证:
证明:
A.平面内的直线不相交就平行 | B.平面内三条直线的交点个数有1个或3个 |
C.若a∥b,b∥c,则a∥c | D.平面内过一点有且只有一条直线与已知直线垂直 |
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