在三角形
中,已知
,
,点
在中线
上,且
,则点
的坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1e95fb519f59c46f40e4ab44660073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1d01fd23dce13c1b245e6786a7537e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ca8de9ade773fa95c295850385b547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2c0f7aa45a00b2e9581e434a7fe42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-10-28 13:20:29
|
【知识点】 平面向量线性运算的坐标表示解读
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单选题
|
较易
(0.85)
解题方法
【推荐1】向量
,
,且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7e6b95167f61e355deda5a36ebbcfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f85ef41ff60aa5b549a3aabd88017c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead4767424866f1453c464a93b3ca8fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.3 | B.4 | C.5 | D.6 |
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