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比較數量-1
中考东莞2018-10
Penrose Triangle 2
王二星际太阳能旅行车
正十二面體裁邊 (Chamfered Dodecahedron)
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柏拉圖多面體 Platonic Solids
畢達哥拉斯定理
Billiard Ball
cube 3D
矩阵特征分解
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Linear Equations
Equilateral Triangles
Ellipse
Combinatorics
LCM and GCD
