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正四角錐

Author:Tetsuya Akazawa

New Resources

  • 二次曲線と離心率
  • 目で見る立方体の2等分
  • 正17角形 作図 regular 17-gon
  • フーリエ級数展開
  • 対数螺旋

Discover Resources

  • miquel five circles
  • 立体の見え方
  • 最短距離問題
  • 二等辺三角形を折り返す
  • ベン図

Discover Topics

  • Correlation
  • Secant Line or Secant
  • Solids or 3D Shapes
  • Angles
  • Division
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