名校
1 . 已知向量
,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68e3a08fa53a1d8b36da264a1c86824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.11 | B.6 | C.7 | D.15 |
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2020-04-06更新
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319次组卷
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2卷引用:吉林省辽源市田家炳高级中学2019-2020学年高二上学期期末数学(理)试题