题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191104/20191104012906-42177.png)
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答案
解析
试题分析:
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核心考点
试题【已知向量,若,则的最小值为 .】;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
A.1005 B.1006 C.2010 D.2012
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A.![]() | B.![]() | C.![]() | D.![]() |
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A.直角三角形 | B.钝角三角形 |
C.等边三角形 | D.等腰三角形但不是等边三角形 |
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