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waaachen
Author:
陳兪宏
GeoGebra
New Resources
漂亮的摇摆曲线
球体的体积推导（优化版）
探究三角形的全等條件
斜率的值
三位數除以一位數（一）
Discover Resources
glt-h02-05-圓錐展開
ego-motion
transformation_reflection
讀量杯上的刻度 (練習)
三角形
Discover Topics
Vectors 2D (Two-Dimensional)
Secant Line or Secant
Fractal Geometry
Numbers
Random Experiments