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e-o 冬期東大理数12
Author:
永島 豪
GeoGebra
New Resources
standingwave-reflection
接点の作る円は内接円
二次曲線と離心率
平均変化率
standingwave-reflection-fixed
Discover Resources
動く長方形
単位円と正弦曲線（cos）
体5_185_ex1_2
曲面積の近似
中2 辺の長さと三角形の形状
Discover Topics
Subtraction
Geometric Mean
Volume
Tangent Function
Exponential Functions