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問55
Author:
嶋津恒彦
GeoGebra
New Resources
正17角形 作図 regular 17-gon 2
直線の軌跡
standingwave-reflection-free
sine-wave
対数螺旋
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六円六角形
正四面体
回転体(①三・四角)
F1 線分の移動でできる円錐
数A図形の性質P108練習37(1)
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Quadratic Equations
Angles
Arithmetic
Prism
Cosine