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正20面体

Author:Bunryu Kamimura

New Resources

  • 等積変形2
  • フーリエ級数展開
  • 正17角形 作図 regular 17-gon 2
  • standingwave-reflection-fixed
  • 二次曲線と離心率

Discover Resources

  • 擺線,サイクロイド (cycloid)
  • 円錐曲線の性質と活用
  • 垂心と垂足三角形
  • 角丸ボタンの作り方
  • 三角形の重心(重さあり)

Discover Topics

  • Congruence
  • Rotation
  • Secant Line or Secant
  • Mathematics
  • Coordinates
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