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橢圓之極偶 / polarity for ellipse
Author:
XIE Yuheng
GeoGebra
New Resources
球體建築師
直角坐標平面上的旋轉變換
第八周作业
兩組對邊相等和有直角的四邊形
柱體建築師
Discover Resources
三次函數01
Two lines
(006)80102
直方圖_Demo的副本
尺规作图
Discover Topics
Linear Regression
Geometric Distribution
Arithmetic Operations
Square
Circumcircle or Circumscribed Circle