在
中,D是BC的中点,E是AD的中点.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636af1c1db008460ce102ccdfc5bd7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808382ba1d893826a026d85e0cd67609.png)
A.![]() | B.![]() | C.-1 | D.1 |
更新时间:2023-07-30 15:08:59
|
【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
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
解题方法
【推荐2】已知四边形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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您最近一年使用:0次