题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062633-67159.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-16303.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-11545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-26192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-11545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-26192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-22962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-11545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-22962.png)
A.150° | B.90° | C.60° | D.30° |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-65123.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-11384.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-37548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062634-11545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062635-22962.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062636-44297.png)
核心考点
试题【已知=1,=2,与的夹角为120°,++=0,则与的夹角为A.150°B.90°C.60°D.30°】;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/20191104/20191104062626-20617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062626-95381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062626-29227.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062627-46035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062627-72792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062627-34308.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062627-81195.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062628-10119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062620-54906.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062620-13069.png)
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![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062621-81289.png)
A.1 | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062611-40939.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062612-83958.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062612-75546.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062612-18033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062612-24575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062613-99842.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062607-98105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062607-97217.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062608-93069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062608-26323.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062559-98188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062559-56192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062600-23266.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062600-87973.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062600-59502.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062600-77892.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062601-85246.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104062601-80604.png)
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