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Area of polygon
Author:
Ku, Yin Bon (Albert)
Topic:
Geometry
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（二）
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
等腰三角形 － 等角對等邊
Homework3
國旗製作
Effects on Dispersion
椭圆规
Discover Topics
Addition
Geometric Transformations
Quadratic Equations
Incircle or Inscribed Circle
Vectors 3D (Three-Dimensional)