题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-78141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-84839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-23116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-38515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-78141.png)
A.-![]() | B.![]() | C.-![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-78141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-84839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-23116.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-38515.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-78141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-84839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-34892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042519-89161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042517-84839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042519-89161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-34892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042519-67039.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042519-89161.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-34892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042518-95252.png)
核心考点
试题【在△ABC中,AB=3,AC=2,=,则·的值为( )A.-B.C.-D.】;主要考察你对平面向量数量积的意义等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042512-84955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042512-86503.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042513-98545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042513-82196.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042507-53218.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042500-81601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042456-97601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042456-33877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042456-25592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042456-97601.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042456-46691.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104042450-53272.png)
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