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拉霸梯形
Author:
澎湖縣中正國小
GeoGebra
New Resources
常见四边形是否是双心四边形
折扣
撒针估算面积实验
龙形曲线-分形龙2
龙形曲线-分形龙
Discover Resources
坐標幾何
Quiz on Rotation 旋轉變換：測驗
畢氏定理證明
酷狗音乐
二倍角的余弦公式的证明
Discover Topics
Ellipse
Circumcircle or Circumscribed Circle
Surface
Incircle or Inscribed Circle
Parallelogram