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問54
Author:
嶋津恒彦
GeoGebra
New Resources
正17角形 作図 regular 17-gon 2
接点の作る円は内接円
standingwave
平均変化率
standingwave-reflection-fixed
Discover Resources
音名と周波数(平均率)
フラクタル11011
数学3 円周角の定理
正十二面体 2
鳩の巣原理
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Quadratic Equations
Functions
Cylinder
Volume
Scalene Triangles