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tlotc
Author:
s.abe
GeoGebra
New Resources
斜めドップラー
直線の軌跡
フーリエ級数展開
standingwave-reflection-fixed
円の伸開線
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放物面鏡の鏡像 Mirror of a paraboloid
poly_cheba
空間充填四面体
サイクロイド
正多面体
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Statistics
Ratios
Complex Numbers
Root
Sphere