名校
解题方法
1 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8fefba421c2ec9a0806986b7f0aea7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7821841005f240f4e8b032191602667f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2200d8d4311fbcc8ad40406dd0f5b106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ee59964f020fc52b5ba66a3f5fcc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8fefba421c2ec9a0806986b7f0aea7.png)
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2021-09-17更新
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652次组卷
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4卷引用:黑龙江省大庆市肇州县二校2020-2021学年高二下学期期末联考数学试题