题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075653-18252.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075653-80090.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075653-20368.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075653-37644.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075654-15477.gif)
A 150° B 30° C 60° D 120°
答案
解析
核心考点
试题【设非零向量、、满足,则( )A 150° B 30° C 60° D 120°】;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/20191104/20191104075645-47131.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075645-29267.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075645-55733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075645-42869.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075645-55733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075646-83982.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075646-63893.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075645-55733.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075639-65301.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075640-33885.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075640-78086.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075640-88679.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075640-12736.gif)
A.![]() ![]() | B.![]() ![]() ![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075635-89472.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075635-14822.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075636-70795.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075636-90963.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-31763.gif)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-73404.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-30309.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-59222.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-47890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075627-44956.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075627-97270.gif)
③非零向量
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-47890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075627-44956.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075627-37638.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075626-47890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075627-75984.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075628-73838.gif)
④
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075628-50454.gif)
⑤
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075628-94586.gif)
其中真命题的序号为 .(写出所有真命题的序号)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075621-77760.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104075621-88686.gif)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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