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虹が見えるのはなぜ?

Author:yoshiyuki ishitsuka

New Resources

  • 二次曲線と離心率
  • standingwave-reflection-fixed
  • 対数螺旋
  • 小テスト
  • standingwave

Discover Resources

  • 区分求積法
  • File1
  • 三平方逆
  • a 投影図見取図
  • 円の性質1

Discover Topics

  • Quadratic Functions
  • Right Triangles
  • Differential Equation
  • Tangent Line or Tangent
  • General Quadrilateral
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