名校
1 . 已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7b613d8937e2197f7080d752ff6b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2555bb24d9abc9551b1de8deffea3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409ea2ecc77e9941afa913b1aa60e7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2021-05-07更新
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933次组卷
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3卷引用:广西柳州铁一中学2022 届“韬智杯”高三上学期大联考数学(理)试题