设向量
,若
,则
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9875d872d720e24e621617e64b7e900b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523c74d21b7934a09348b1a01e1ae606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
更新时间:2017-05-05 10:35:25
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【知识点】 已知向量共线(平行)求参数解读
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【推荐1】已知向量
,
,若向量
与向量
平行,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27926f78a527f24ce756a41a505a3924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcb4c67f6701d17cfac5c52ce6d60ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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