名校
解题方法
1 . 如图,
分别是射线
上的点,给出下列以
为起点的向量:①
;②
;③
;④
;⑤
其中终点落在阴影区域内的向量的序号有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/a6eef4ae-6d40-4369-9452-2fd2f4816125.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091145fcc157587a3fc8e0b7c7c0ecb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6d4420eec82b6801d088c8da802176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ed10fa19230b50ac2e920cb886c823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389a5866b3fbe7472074af92989ca70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62a2c1913f3dcc1bfdaadc037c82549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ef82e077f5671c5654459c7cb3965a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/a6eef4ae-6d40-4369-9452-2fd2f4816125.png?resizew=149)
A.①③ | B.①②④ | C.②③ | D.①③⑤ |
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2023-01-28更新
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3卷引用:河南省信阳高级中学2021-2022学年高一下学期第三次月考数学试题