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segaments2
Author:
RintarouTW
GeoGebra
New Resources
撒针估算面积实验
圓的切線方程
平行線的判定
直線的斜率：水平變化 & 鉛垂變化
异形操场
Discover Resources
圆的面积 - 排列组合法
三角柱展開
圖解直式開方
小五面積
两角和的正弦公式
Discover Topics
Circumcircle or Circumscribed Circle
Differential Calculus
Parametric Curves
Cosine
Percentages