如图,在长方体
中,设
,
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/ae9c91ba-b3b2-4c5e-93dd-0511fa31d27f.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5ad65006ab94c402084227f4675b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a4ee8b15d375be9b2a7e4dd2f407d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/ae9c91ba-b3b2-4c5e-93dd-0511fa31d27f.png?resizew=124)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-01-08 20:52:37
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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】在棱长为1的正方体ABCD-A1B1C1D1中,AD1的中点为M,B1D1的中点为N,若以{
}为单位正交基底,则
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd947868a9a29bbe0b16a93be27e9a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb93bee3008094ff1faf0dc99eba9318.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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