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正20面体_1

Author:ahhj45

New Resources

  • 円の伸開線
  • 二次曲線と離心率
  • 小テスト
  • 正17角形 作図 regular 17-gon 2
  • 接点の作る円は内接円

Discover Resources

  • figure_HS_217
  • ネットワーク
  • 応用例題5
  • アポロニウス
  • 複雑な図形の面積

Discover Topics

  • Volume
  • Quadrilaterals
  • Special Points
  • Means
  • Equilateral Triangles
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