在平面直角坐标系xOy中,对于点P(x,y),我们把点P′(﹣y+1,x+1)叫做点P伴随点.已知点A1的伴随点为A2,点A2的伴随点为A3,点A3的伴随点为A4,…,这样依次得到点A1,A2,A3,…,An,….若点A1的坐标为(3,1),则点A3的坐标为______ ,点A2019的坐标为______ .
更新时间:2020-04-26 21:46:40
|
【知识点】 点坐标规律探索
相似题推荐
填空题
|
适中
(0.65)
【推荐1】在如图所示的平面直角坐标系内,四边形
是边长为
的正方形,分别取
边的中点
,连结
,得到第一个四边形
;再分别取
边的中点
,连结
得到第二个四边形
;再分别取
边的中点
连结
,得到第三个四边
,……,按这种方法做下去,则第
个四边形
中的顶点
的坐标为________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab158dd9e96abcae0f115f54fa66c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0aa3c5e0b28da1cbcd4ece7124cb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c865c07c569dfe672e704d0967b08ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4ca8a5ef8a800da14c52ec71947815.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528241ddba679a3c7fd71b4258b45db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d23c83a8c25f86a79d4fa4905544f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae5574b9b1603db88f233bab945b763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1391dd6dbb29cb73ee3f97f7733eceb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f30f271c6f91a1f982b953a438cdaf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4311c17ec6cd849db572fe647d9fee5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd5436c5cad89f10c07cec0019351e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b1ed202d2924a04a7be1ada03813b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2030a7c508abe4b2a03bc702cf7692d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d564b7e5c453d32e76e9ed6fb978103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930f65720967c52577c96ee0ae17f56e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/5d42ab44-9d40-47cf-beec-3f7ed1646697.png?resizew=180)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系中,点A(
,1)在射线OM上,点B(
,3)在射线ON上,以AB为直角边作Rt△ABA1,以BA1为直角边作第二个Rt△BA1B1,以A1B1为直角边作第三个Rt△A1B1A2,…,依此规律,得到Rt△B2018A2019B2019,则点B2019的纵坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次