如图,等边三角形的顶点
,
,则点C的坐标为_________ ;若规定把等边
“先沿x轴翻折,再向左平移1个单位”为一次变换,则这样连续经过2023次变换后,等边
的顶点C的坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7716690d1a6a53a3841e547b1cf05bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c7b4d4f1f3bddf5c3cf0fe83e46216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/0e8b2065-946d-44b0-905d-c1b449d3bb4f.png?resizew=170)
更新时间:2023-05-13 12:36:37
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【推荐1】如图,抛物线
在第一象限内经过的整数点(横坐标、纵坐标都为整数的点)依次为
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【推荐2】如图,在平面直角坐标系上有点A(1,0),点A第一次向右跳动至A1(-1,1),第二次向左跳动至A2(2,1),第三次向右跳动至A3(-2,2),第四次向左跳动至A4(3,2)依照此规律跳动下去,点A第2020次跳动至A2020的坐标为__________ .
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【推荐1】如图,
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【推荐1】如图是以
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【推荐2】如图,已知⊙O的直径AB=
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【推荐1】若点P(x-y,y)与点Q(-1,-5)关于x轴对称,则x+y=______ .
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【推荐2】定义:对于平面直角坐标系
中的不在同一条直线上的三点P、M、N,若满足点M绕点P逆时针旋转
后恰好与点N重合,则称点N为点M关于点P的“垂等点”,请根据以上定义,完成填空:如图,已知点A的坐标为
,点C是y轴上的动点,点B是点A关于点C的“垂等点”,连接
;
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/60a70164-d39b-441c-bcbe-1531cc5b88a1.png?resizew=195)
(1)若点 C坐标为
,则点 B的坐标为 _________ ;
(2)
的最小值是_____________________________ .
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(1)若点 C坐标为
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(2)
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