如图,在四面体
中,
,
,
,点M在
上,且
,N为
的中点,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/9b4ddecf-e7d6-45ff-8616-eb62d32d40ce.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40f8ef7e3af00c41f85a20578afdb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe72d1b634f1e89d8699e605e7d46af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8926ddd0b69d714c7310cc5bf23d199d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/9b4ddecf-e7d6-45ff-8616-eb62d32d40ce.png?resizew=156)
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23-24高二上·四川泸州·期末 查看更多[2]
四川省泸州市泸县第四中学2023-2024学年高二上学期期末数学试题(已下线)第6章 空间向量与立体几何 章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)
更新时间:2024-01-17 16:25:25
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【知识点】 空间向量加减运算的几何表示
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【推荐1】如图,四棱柱
中,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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【推荐2】如图,
是四面体
的棱
的中点,点
在线段
上,点
在线段
上,且
,用向量
表示
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/29724778-a09e-4517-a157-fb05fdef3f19.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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