题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063537-76296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063538-13621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063538-43274.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063537-76296.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063538-44776.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063539-37187.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063539-35511.png)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063539-77534.png)
答案
解析
核心考点
试题【已知下列命题: (1)若∥∥,则∥;(2)若,则; (3) .则假命题的序号为__________.】;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
A.-![]() | B.![]() | C.-![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-81078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-74315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-81078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-74315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063527-41645.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-81078.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063526-74315.png)
A.![]() | B.![]() | C.2![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063516-17423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063516-56117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063516-29687.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063517-81824.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063517-45332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063517-41103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063518-95971.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063518-59369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063518-31210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063518-44176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063519-98657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063519-32472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063519-28482.png)
A.![]() | B.2![]() | C.3![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063508-36663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063509-19202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063509-54167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063509-22009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063510-31374.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063508-36663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063510-43978.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063510-50304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063510-42339.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063511-17436.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063509-19202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063511-17436.png)
A.![]() | B.- ![]() | C.2 | D.-2 |
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-92107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-96894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-92107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-96894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-98176.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-92107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-96894.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104063503-92107.png)
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