题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050047-56946.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050047-45787.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050048-92425.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050047-45787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050048-12655.png)
点评:本题考查向量的数量积运算,解题的关键是能先求出向量
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050048-62637.png)
核心考点
试题【已知,则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/20191104/20191104050042-97861.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050042-86792.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050043-27237.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050043-81212.png)
A.13 | B.7 | C.5 | D.3 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050035-55776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050035-53831.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050036-50598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050036-77924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050036-85428.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050031-22504.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050031-21894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050031-24916.png)
A.
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050032-30076.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050032-27255.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050032-52909.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050032-62895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-65720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-48345.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-97413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-18001.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-97413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050024-95352.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050023-18001.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050019-54713.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050019-55656.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104050019-26115.png)
A.1 | B.-1 | C.![]() | D.![]() |
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