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平行四邊形有甚麼特性?

Author:Anthony OR 柯志明
Topic:Parallelogram
English version: http://ggbtu.be/m79826

New Resources

  • 長方體平面投影 (Codex版)
  • Nested spiral octagon
  • 直角坐標平面上的旋轉變換
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  • 小数 的副本

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  • 題 2

Discover Topics

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  • Statistics
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