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畢氏定理
Author:
吳昀蓁
利切割與拼圖證明
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
兩位數除以一位數（一）
球體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
三角形面積.Area of Triangle
證平行四邊形 (對角相等)
共頂點、底共線
百分位分數
倒水验证勾股定理
Discover Topics
Matrices
Quadratic Equations
Reflection
Solids or 3D Shapes
Parametric Curves