名校
解题方法
1 . 设
,
是平面内相交为
的两条数轴,
,
分别是与
轴、
轴正方向同向的单位向量,若
,则把有序对
叫做向量
在坐标系
中的坐标,记
.设
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8989c5cf20e002fadb9e46bc39b25885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a9e1eb4c3226489d1344321b10b7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd69c916d325acd4fec2199352a76c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7617122e31cfe83e9a868d1d907e6eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3029c454b1164c26a833f87b6e3a7c.png)
A.![]() | B.![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2023-04-04更新
|
246次组卷
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4卷引用:贵州省贵阳市三新改革联盟校2022-2023学年高一下学期4月联考数学试题