已知四边形
是平行四边形,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e16293158fbf4d72c6ac9207543035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d51e8063e24be5f286c06ab4166e51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2023·湖南株洲·一模 查看更多[3]
更新时间:2023-03-01 19:45:56
|
【知识点】 利用平面向量基本定理求参数
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解题方法
【推荐1】在三角形ABC中,D是BC上靠近点C的三等分点,E为AD中点,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ca854f7f8003899232681b0814473.png)
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【推荐3】已知平面向量
,
不共线,
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20adda29ae20e9af8f6a914159527496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.0 | C.1 | D.![]() |
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