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Dodecahedron
Author:
chen mingchuan
GeoGebra
New Resources
算柱 (兩位數)
兩位數加法
異分母分數減法
三位數除以一位數（一）
錐體建築師
Discover Resources
認識常數函數關係式與圖形
小學數學
塗鴉
動態畢氏定理
周界與面積
圆面积公式推导
Discover Topics
Logic
Trapezoid
General Quadrilateral
Right Triangles
Arithmetic Mean