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角の二等分線
Author:
peter
GeoGebra
New Resources
正17角形 作図 regular 17-gon
standingwave
sine-wave
小テスト
斜めドップラー
Discover Resources
わり算と分数
Trick Tangram
三角形の角の二等分線と比の定理
数学I 2次関数の符号(3)
感覚と数(見た目がいい比は?)
Discover Topics
Addition
Scatter Plot
Complex Numbers
Tree Diagrams
Tangent Line or Tangent