已知
为同一平面内的两个不共线的向量,且
,若
,向量
,则![](https://img.xkw.com/dksih/QBM/2016/10/14/1573069407420416/1573069413367808/STEM/93630d7cfc774d0caae44fc38e9f8375.png)
![](https://img.xkw.com/dksih/QBM/2016/10/14/1573069407420416/1573069413367808/STEM/6d50e50b403c44d2bb9a540cc11a9114.png)
![](https://img.xkw.com/dksih/QBM/2016/10/14/1573069407420416/1573069413367808/STEM/669697698c9d4d3cb486be6290b07dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2337b9ddb9c99224bb561da8f52bcd10.png)
![](https://img.xkw.com/dksih/QBM/2016/10/14/1573069407420416/1573069413367808/STEM/e1d44fc712734022a6eb2ae433f2a89c.png)
![](https://img.xkw.com/dksih/QBM/2016/10/14/1573069407420416/1573069413367808/STEM/93630d7cfc774d0caae44fc38e9f8375.png)
A.(1,10)或(5,10) | B.(-1,-2)或(3,-2) |
C.(5,10) | D.(1,10) |
更新时间:2016-12-04 22:00:49
|
【知识点】 平面向量的基本定理及坐标表示
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A.![]() | B.![]() | C.![]() | D.![]() |
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