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1 . 已知向量
,且
与
互相垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0615092429d741685efa5f5bee80cd5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afc391105ca04c187e6be5bd77acc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.-![]() | B.![]() | C.![]() | D.![]() |
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2023-02-14更新
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390次组卷
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8卷引用:辽宁省阜蒙县育才高级中学2022-2023学年高二上学期期末考试数学试题