若向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2acba6bcd252ceda4731046ef18daf38.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774c4492fe03f83c364cdc96346df3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d0a25a54f7f6211ef5a60f814a3bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72452cc769db86489edfd6bd0ec45fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2acba6bcd252ceda4731046ef18daf38.png)
17-18高三上·河北张家口·期末 查看更多[2]
更新时间:2017-03-06 12:24:55
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【知识点】 平面向量共线的坐标表示
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【推荐2】平面向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c81e5392190eb7aad7caac0706b1d6b.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063228cb76e63e38627a2239868119ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c4385ed3031466f0f2c155402a90b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8483f73141a818e549c72c5ee8cb3fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c81e5392190eb7aad7caac0706b1d6b.png)
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