解题方法
1 . 已知向量
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2010ca4e007806fcd20b38f11dd8296e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97a47a667648dfd8c7895de4d3678da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c022a4c7c892c861186f0281184469c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2 . 已知向量
,
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3c54c477bb9a3e5202650d21b23215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21edb30148dc3821c0bc07f8e65d46f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391c98a888108f96b49811e06fb28307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2021-11-05更新
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669次组卷
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4卷引用:2023年上海市高中学业水平合格性考试【考前模拟卷04】数学试题