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Author:
philiplui
GeoGebra
New Resources
兩位數加法
【案例】圆柱体内放置一个大球六个小球
四邉形 (四年級) 教師版
四邊形的特性
兩組對邊相等的四邊形
Discover Resources
比和比值
高美濕地風車
parmater
Copy of 固定周界的長方形的面積變化
勾股定理（几何原本）的副本
Discover Topics
Symmetry
Plane Figures or Shapes
Binomial Distribution
Trapezoid
Algebra