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1 . 已知向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f632b306a25d130d3e5242b50e82fc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e8102c7b25df11719d3a94953e35e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f632b306a25d130d3e5242b50e82fc.png)
您最近一年使用:0次
2 . 已知点
、
,则向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034a07cf911e981d9f472974113b96d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673d0b92b0af4e1e723cd8750c714128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5ca2547f0ce989b43d56ac68b998d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034a07cf911e981d9f472974113b96d.png)
您最近一年使用:0次
2020-02-29更新
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170次组卷
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2卷引用:上海市金汇高级中学2021-2022学年高一下学期期末数学试题