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Author:
陳兪宏
阿凱老師的幾何問題
GeoGebra
New Resources
球体的体积推导（优化版）
找出對稱軸
畫出對稱圖形
柱體建築師
判斷球體
Discover Resources
優良作品1(沛綺)
Copy of 固定面積的圖形的周界變化
Beemo
GGB2
畫三角形 第3題
Discover Topics
Solids or 3D Shapes
Real Numbers
Planes
Sine
Polygons