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Author:
陳兪宏
阿凱老師的幾何問題
GeoGebra
New Resources
兩位數加法
球體建築師
畫出對稱圖形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
扇形柱
進階二
Ex5C#2
等分旋轉
等分圓製作
Discover Topics
Surface
Polygons
Plane Figures or Shapes
Parallelogram
Difference and Slope