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五角形の外角の和
Author:
松浦 孝昭
Topic:
Polygons
GeoGebra
New Resources
standingwave-reflection-free
standingwave-reflection-fixed
正17角形 作図 regular 17-gon
sine-wave
直方体の対角線
Discover Resources
回転移動の様子
直線の方程式
外心と重心の関係
Moodle quiz parabola01
近似式
Discover Topics
Vectors 2D (Two-Dimensional)
Standard Deviation
Rational Numbers
Angles
Fractal Geometry