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Author:
Wong Ka Leong
GeoGebra
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撒针估算面积实验
科氏力 (Coriolis Force)
斐波那契螺旋弧线（表格法）
平行線的判定
异形操场
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Symmetric設計對稱圖案(一條對稱軸)斜2
探索三角形外角定理
圓所形成的三角形
Graph of Sine
Copy of 正多边形内接迭代
Discover Topics
Line Segment
Statistical Characteristics
Means
Tangent Function
Cosine