正方形
,
,
,…按如图所示位置,点
在直线
上,点
在
轴上,则点
的坐标为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4635a4e561d862638f6818e85e74bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220a67f3143cc51f6496c874d3ce4f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb95430ad5499ddd5197388b8ed9b5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee76826aa0f752c670dec0b6e2c21f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3dfc705ea56376ea59d6b3d91250f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1daaf260a47403a2bdddd1268ebc44cd.png)
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更新时间:2023-08-16 13:28:07
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【推荐1】对平面上任意一点(a,b),定义f,g两种变换:f(a,b)=(
,b),如f(1,2)=(
,2);g(a,b)=(b,
),如g(1,2)=(2,1),据此得
=________ .
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【推荐2】如图,在平面直角坐标系中,“涡状”图形的顶点坐标依次是
,
,
,
,
,…,
,按此规律排列下去,则
的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f96a5581bc5da9c4214cd384a45dca09.png)
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【推荐1】如图,在
,
,
,...
都是等腰直角三角形,其中点
在x轴上,点
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上,已知
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的长为___________ .
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【推荐2】正方形
、
、
……按如图的方式放置,点
、
、
…和点
、
、
…分别在直线
和x轴上,已知点
,
,按此规律,则点
的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4635a4e561d862638f6818e85e74bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220a67f3143cc51f6496c874d3ce4f2b.png)
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名校
【推荐1】如图,在平面直角坐标系中,正方形
的边垂直或平行于坐标轴,直线
与正方形的边
、
分别交于点
、
(点
、
不重合),若点
的坐标为
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
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【推荐2】如图,点O为坐标原点,点C,F都在y轴正半轴上,点M为OC中点,四边形OABC和CDEF都是正方形,抛物线
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的值为______________ .
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(1)当b=1时,a=
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