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生日悖論
Author:
李春培
生日悖論
GeoGebra
New Resources
錐體建築師
直角坐標平面上的旋轉變換
畫出對稱圖形
算柱 (兩位數)
小数 的副本
Discover Resources
畢氏定理動態證明(劉徽)
判斷三角形
圓與三角形中點的軌跡
軌跡觀察---圓上正三角形中心軌跡
正方体展开图的副本
Discover Topics
Rational Numbers
Straight Lines
Tree Diagrams
Tangent Function
Linear Programming or Linear Optimization