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傍心と内心
Author:
Bunryu Kamimura
△ABCの9点円を作図してみよう。3辺の中点を通る円が9点円。すると・・・
GeoGebra
New Resources
サイクロイド
カージオイド
standingwave
standingwave-reflection
接点の作る円は内接円
Discover Resources
Example 3 of GeoGebra Quick Start
円柱と円錐
位置の表し方(空間座標)
北海道2007
立方体の切断と体積(冬期講習18①)
Discover Topics
Similarity Transformation or Similarity
Statistical Characteristics
Scatter Plot
Linear Programming or Linear Optimization
Conic Sections