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Author:
alicesung0324
GeoGebra
New Resources
龙形曲线-分形龙2
撒针估算面积实验
盈利與虧蝕
讀磅
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
圓與切線
滾出直線之3
觀察軌跡
動畫
生活中的平面圖形關係─平分
Discover Topics
Sine
Quadratic Functions
Parametric Curves
Vectors 2D (Two-Dimensional)
Circumcircle or Circumscribed Circle