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トランプを使った正の数負の数の加法
Author:
yoshiyuki ishitsuka
GeoGebra
New Resources
平均変化率
フーリエ級数展開
standingwave-reflection
正１７角形 作図 regular 17-gon 2
standingwave-plus
Discover Resources
Fourier_03
内接四角形と接弦定理
Math Investigation-4
螺旋上の点
近似式
Discover Topics
Interest Calculation
Scalene Triangles
Geometric Mean
Difference and Slope
Translation