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Frank burk
Author:
Shinta Sugawara
GeoGebra
New Resources
standingwave-reflection-free
平均変化率
standingwave
サイクロイド
カージオイド
Discover Resources
砲丸投げ（パラボライド）Parabolaid
楕円の面積
Reflection and refraction wave
ピタゴラスの発見をさぐろう！
真横からみると見えるもの
Discover Topics
Geometric Distribution
Angles
Vectors 2D (Two-Dimensional)
Pythagoras or Pythagorean Theorem
Reflection