已知空间四边形ABCD,F为BC的中点,E为AD的中点,若
=λ(
+
),则λ=
![](https://img.xkw.com/dksih/QBM/2016/2/25/1572499426279424/1572499431636992/STEM/614cf0730ed24e52b74add4a05ef63ae.png)
![](https://img.xkw.com/dksih/QBM/2016/2/25/1572499426279424/1572499431636992/STEM/ccafea807181423590572910aa0bcf56.png)
![](https://img.xkw.com/dksih/QBM/2016/2/25/1572499426279424/1572499431636992/STEM/d50cef3e94a34bcb9817d6c31f62092b.png)
![](https://img.xkw.com/dksih/QBM/2016/2/25/1572499426279424/1572499431636992/STEM/52211717b7b546478dd59f2080b5d598.png)
![](https://img.xkw.com/dksih/QBM/2016/2/25/1572499426279424/1572499431636992/STEM/614cf0730ed24e52b74add4a05ef63ae.png)
A.![]() | B.![]() | C.1 | D.![]() |
更新时间:2016-12-04 02:41:11
|
【知识点】 向量在几何中的应用
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d9b1eaa04925f2c7397fde719e8ada.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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