题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043548-21954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043548-22944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043548-79130.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043549-75724.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043549-37467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043549-55893.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:已知
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043548-21954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043548-22944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043550-87747.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043550-67001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043550-16136.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043550-83393.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043551-14511.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043551-13261.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043551-35988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043551-92983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043552-84283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043552-68716.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043552-70855.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043552-60240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043550-73314.png)
核心考点
试题【已知,,若与的夹角为,则的最大值为( )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/20191104/20191104043538-78478.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043538-84070.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043538-18946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043539-46442.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043532-99444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043532-75069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043533-75834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043523-56445.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043523-21277.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043524-13793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043524-14098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043524-17745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043524-60882.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043525-31855.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-52671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-30049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-89868.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-97240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-73433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043513-14093.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043513-38929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043513-37353.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043512-73433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043513-46210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043513-11083.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043500-95935.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043501-41538.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043501-39471.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104043501-15902.png)
A.![]() ![]() | B.![]() | C.![]() | D.![]() |
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