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円の面積はなぜ半径を2回かけるのか?ver4
Author:
T.Fujimaki
GeoGebra
New Resources
フーリエ級数展開
コイン投げと樹形図
サイクロイド
sine-wave
目で見る立方体の2等分
Discover Resources
惑星の楕円運動 Oval movement in Planets
円内交斜容円術
ブリアンションの定理1
夏期講習20番(2)
放物線(横)の軌跡
Discover Topics
Plane Figures or Shapes
Triangles
Normal Distribution
Random Experiments
Hyperbola