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通術 n円
Author:
Bunryu Kamimura
Rは大円の半径。rは中円の半径。nは円の個数。
GeoGebra
New Resources
接点の作る円は内接円
アステロイド
standingwave-reflection-fixed
sine-wave
直線の軌跡
Discover Resources
2次関数の決定2
包絡線(神戸大2006)
折り紙テント3段階体積0.19718設計図
二等辺三角形の問題
正葉曲線
Discover Topics
Cone
Statistical Characteristics
Area
Piecewise Functions
Upper and Lower Sum or Riemann Sum