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Parallelogram 01

Author:iedc

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兩組對邊相等的四邊形
四邊形的特性
拼砌四邊形
兩位數除以一位數（二）
判斷球體

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三角函數
正多边形内接迭代
Griffiths Theorem
填色
複數函數

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Intersection
Fractal Geometry
Natural Numbers
Area
Centroid or Barycenter

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