已知
、
是平面内两个不共线的向量,向量
,
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8315ec34019d719771152be2252106e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf39ca3294f5520518dd4f1c0609876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ec9b2de145e921abc381c96d4624ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f12d647bacaf146b74b5cbe8d26603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89879d3524590fe7d253b6e3086de649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
更新时间:2020-01-15 10:35:26
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解题方法
【推荐1】若向量
能作为平面内所有向量的一组基底,则
的取值范围为___ .
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填空题-单空题
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较易
(0.85)
解题方法
【推荐2】已知
,
,
,若
,
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_________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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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1】如图所示,在
中,
为
边上的一点,且
.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd89e1cab1b072f0e3f2ed01c5422a46.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7ba9af2a7cb0d449c4a7f78315f432.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd89e1cab1b072f0e3f2ed01c5422a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16691c0355502ce4e92d6d7c75aa4ed7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7ba9af2a7cb0d449c4a7f78315f432.png)
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填空题-单空题
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较易
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名校
解题方法
【推荐2】如图所示,在
中,
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23c10fcb4fe0ccc015f8bfc60744589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31548e6f4bab392ed0840dddcca73fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/ec0df67c-c9b8-431b-9478-5879cb02fc34.png?resizew=97)
您最近一年使用:0次