已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2eeb1226db9401ec16ec9d0bc4718a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2047c25460b46d7ab0b7f3d2676efeb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c681b2c5fddb33c3b066ab49cb9afc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
2020高三·山东·专题练习 查看更多[1]
(已下线)专题六 平面向量-2020山东模拟题分类汇编
更新时间:2020-09-04 22:48:46
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【推荐2】若平面向量
,
,且
,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856491c42988c7feffc049cebe733c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6df5f68957e9999ca4aec06951d37eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cb62f2f1be06ebb39a8cb5e41dad3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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