名校
1 . 已知向量
,若
∥
,则
的值等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2457892997dfd9d1961f62d15db8f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
A.![]() | B.![]() | C.1 | D.![]() |
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2020-05-08更新
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646次组卷
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3卷引用:山东临沂市莒南第二中学2018-2019学年高一下学期素养水平检测试卷数学试题