题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-43238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-20699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-49141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-20699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-87696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-20699.png)
A.![]() | B.![]() | C.2![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-43238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-20699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-49141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-20699.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015127-87696.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015126-40907.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015128-44585.png)
核心考点
试题【若││,││, 与的夹角为,则•的值是( ).A.B.C.2D.】;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/20191104/20191104015118-81428.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015118-42290.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015119-72052.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015119-78948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015119-71348.png)
A.![]() | B.![]() | C.![]() | D.![]() |
如图,在
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-17304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-51785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-46573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-25938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-14420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-65559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-63344.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-29264.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-63867.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-10427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015110-44422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015111-62924.png)
(Ⅱ)以
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015111-10214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015111-82424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015109-25938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015111-29463.png)
求平行四边形
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015111-29463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015112-18843.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015112-15586.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015112-52369.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015102-78014.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015103-94129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015103-64711.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015103-37780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015103-17367.png)
A.4 | B.3 | C.2 | D.0 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015055-90550.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015055-84109.png)
①
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015055-34795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015055-70240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015056-19513.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015056-44313.png)
A.1个 | B.2个 | C.3个 | D.4个 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015049-39562.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015049-78031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015050-35985.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015050-38877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104015050-86311.png)
A.2 | B.![]() | C.1 | D.![]() |
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