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五心

Author:rp016012

New Resources

  • 目で見る立方体の2等分
  • 対数螺旋
  • 正17角形 作図 regular 17-gon 2
  • 二次曲線と離心率
  • 接点の作る円は内接円

Discover Resources

  • パスカルの定理
  • 11-ATU
  • 2定点を見込む角の最大
  • 比例の性質を式から考える
  • The test of "Suichoku Nitoubun Sen"

Discover Topics

  • Similar Triangles
  • Quadratic Functions
  • Variance
  • Perimeter
  • Symmetry
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