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CircleSquare
Author:
陳隆期
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
錐體建築師
畫出對稱圖形
兩位數除以一位數（一）
Discover Resources
Conjecture (Tropical Hoehn's Conjecture)
向量的伸縮
National_Flag
Pyramid with square base (angle between planes)
圆链的反演
Discover Topics
Percentages
Subtraction
Linear Equations
Probability
General Quadrilateral