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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
GeoGebra笔记功能体验课件
球体的体积推导
四邊形的特性
四邉形 (四年級) 教師版
找出對稱軸
Discover Resources
Lagrange
合 24（淺中深）
小四_分數
圓面積示範
刘校安排（1）
Discover Topics
Tangent Line or Tangent
Cuboid
Hyperbola
Straight Lines
Cone