题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012717-35136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-57259.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-63336.png)
A.![]() ![]() |
B.![]() |
C.对同一平面内的任意向量![]() ![]() ![]() |
D.向量![]() ![]() ![]() |
答案
解析
试题分析:选项A正确,因为
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012719-75810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012719-77324.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012720-52848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-80016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012719-75810.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-21031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-28074.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012720-61285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012720-49413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012720-57044.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012720-47867.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012721-59190.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012718-21031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012719-72474.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012719-86336.png)
核心考点
试题【已知平面向量,,,则下列说法中错误的是( )A.∥B.C.对同一平面内的任意向量,都存在一对实数,使得D.向量与向量的夹角为】;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/20191104/20191104012709-21872.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012709-26964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012709-16909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012709-22956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012709-19101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012710-45155.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012703-11347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012703-35276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012703-65996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012704-24768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012704-53919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012704-83975.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012704-45190.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012655-52237.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012655-42534.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012655-97499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012656-41089.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012656-38849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012656-96095.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012655-52237.png)
A.等边三角形 | B.钝角三角形 |
C.直角三角形 | D.等腰三角形但不是等边三角形. |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012649-59950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012649-60551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012649-36251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012650-30352.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012643-93408.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012643-64245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-31752.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-70437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-11955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-19448.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-49052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012644-20868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012645-88721.png)
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