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Ex5C#15
Author:
Big Lee
GeoGebra
New Resources
異分母分數減法
sanjiaohanshu
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
Discover Resources
新型軌跡
Book10-Unit7-拼出平行四邊形
請自訂一個工具
拋物線2--焦點法
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Percentages
Conic Sections
Solids or 3D Shapes
Sphere
Pythagoras or Pythagorean Theorem