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正二十面體
Author:
侯杰材
正二十面體
GeoGebra
New Resources
球体的体积推导
球體建築師
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
小遊戲
zentangle
基督教宣道會宣基小學「STEM 遇上 GeoGebra」工作坊
矩形性质推论
圖形的周界
Discover Topics
Matrices
Hyperbola
Tree Diagrams
Linear Programming or Linear Optimization
Stochastic Process or Random Process