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チャレンジ 神戸

Author:Yasutaka Nakashima

New Resources

  • 二次曲線と離心率
  • standingwave-reflection
  • 正17角形 作図 regular 17-gon
  • 正17角形 作図 regular 17-gon 2
  • 対数螺旋

Discover Resources

  • 1次関数の表から変化の割合
  • 線対称2
  • Math work 1
  • 回転体4step471
  • 折り紙テント3段階体積

Discover Topics

  • Diagrams
  • Orthocenter
  • Similar Triangles
  • Fractions
  • Sphere
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