题目
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答案
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023058-10618.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-18292.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-73607.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-18292.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-73607.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-21607.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023057-71256.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104023058-10618.gif)
核心考点
试题【已知+=,-=,用、表示= 。】;主要考察你对平面向量的基本定理及坐标表示等知识点的理解。[详细]
举一反三
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