题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013654-87507.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-67605.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-28463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-67992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-38769.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013656-57161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013656-22029.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013656-38247.png)
解析
试题分析:根据题意,由于
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-67605.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-28463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013655-67992.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013657-22136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013656-38247.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013656-38247.png)
点评:解决的关键是利用三点共线,以及基本定理来表示向量,属于基础题。
核心考点
试题【如图,在中, ,,则= ,= ;】;主要考察你对平面向量的基本定理及坐标表示等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013649-70367.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013649-34994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013649-15679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013649-32004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013649-60801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013650-71844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013650-20106.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013650-86025.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013650-44472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013650-84798.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013651-10645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013651-32290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013651-38088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013651-76599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013642-51122.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013642-64433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013642-90448.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013643-60104.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013643-42036.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013636-47293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013636-61004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013637-84178.png)
④
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013637-86504.png)
A.1个 | B.2个 | C.3个 | D.4个 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104013632-91639.png)
A.![]() | B.![]() | C.![]() | D.![]() |
A.![]() | B.![]() |
C.![]() | D.![]() |
最新试题
- 1抛物线y=ax2+bx+c(a≠0)的图象如图所示,则下列说法正确的是[ ]A.b2-4ac<0 B.abc<0
- 2国务院常务会议2011年12月16日讨论通过《促进就业规划(2011—2015年)》,会议指出要实施更加积极的就业政策,
- 3下列各句中,没有语病的一句是[ ]A、老师的脸上露出欣慰的态度。 B、天阴了,马路上的汽车在飞快地走着,像要追赶
- 4已知在△ABC中,AB=AC=4,BC=4,点P为边BC所在直线上的一个动点,则关于·(+)的值,下列选项正确的是(
- 5 I’ll invite you to my new flat as soon as I finish ________
- 6已知直线l经过直线6x-y+3=0和3x+5y-4=0的交点,且与直线2x+y-5=0垂直,求直线l的方程.
- 7相距125千米的两地在地图上的距离为25cm,则该地图的比例尺为A.1∶5000B.1∶50000 C.1∶500000
- 8小刚是A型血,他若需要输血则应首先选择( )A.A型血B.B型血C.AB型血D.O型血
- 9Many people would rather _____ eating out on holiday than gi
- 10下列说法中正确的有 ①3a2与3b2是同类项;②58与85是同类项;③﹣与﹣是同类项;④x3y4与﹣0.7
热门考点
- 1This is the last chance to go abroad for further education ;
- 2Richard found work in a big office after he had finished col
- 3下列结构示意图中表示阳离子的是( )A.B.C.D.
- 4如图所示,已知圆O:x2+y2=4,直线m:kx-y+1=0.(1)求证:直线m与圆O有两个相异交点;(2)设直线m与圆
- 5在我国,公民所获得的“劳动模范”、“三好学生”、“辛勤园丁”、“杰出青年”等光荣称号,属于公民的[ ]A.姓名权
- 6当地球公转到远日点附近时( ) A.副极地低压被大陆冷高压切断B.北半球副热带高气压带被大陆热低压切断C.气压带、风
- 7已知
- 8一部外国影片有这样的场景:一群工人在集会中手拿《人民宪章》的小册子,高呼:“我们也要选举权”。与这个场景相关的史实是A.
- 9下图中的桥梁是?它在什么时候修建的?__________________________________________
- 10圆柱的表面展开图是 _________ (用语言描述).