已知向量
,
满足
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2595b69831f60672869de16908f5feb6.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770ce835ba3671d6bb551abe81038b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2595b69831f60672869de16908f5feb6.png)
更新时间:2022-12-09 22:48:15
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填空题-双空题
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较易
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解题方法
【推荐1】已知平面向量
与
的夹角为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
___________ ;若平行四边形
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您最近一年使用:0次
填空题-单空题
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较易
(0.85)
解题方法
【推荐2】下列各命题中,
①
;
②
;
③
;
④
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda54df2949ad8ec90fc655b8195851a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f0bf1e1e7eac744bd030a5ae7aac35.png)
③
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④
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名校
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd9b6ed85c870e89500a37de4759278.png)
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填空题-单空题
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较易
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解题方法
【推荐2】已知
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您最近一年使用:0次