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体5_177_ri1_ex2
Author:
Takayuki Kamei
GeoGebra
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正１７角形 作図 regular 17-gon 2
正１７角形 作図 regular 17-gon
接点の作る円は内接円
standingwave-reflection
平均変化率
Discover Resources
数Ⅱ 三角関数（a torigonometric function）
貯金時計 TimeSaving Clock
フラクタル11110
相似な図形の特徴
正四面体に4球を内接させる
Discover Topics
Integers
Trigonometric Functions
Arithmetic Mean
Numbers
Linear Functions