解题方法
1 . 如图,在
中,
,
,用
,
表示向量
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b54aa2b7f9adf409f0ce8e00615432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fe7e40356acd24eb908a7f3ab28229.png)
![](https://img.xkw.com/dksih/QBM/2021/11/11/2849047590256640/2849571206291456/STEM/b8c79b71-c68b-4c27-9427-b49d2eb902bc.png?resizew=298)
您最近一年使用:0次
2021-11-12更新
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258次组卷
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5卷引用:青海省玉树藏族自治州民族中学2022-2023学年高一下学期期中考试数学试题