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2017-09-02-正20面體
Author:
黃俊翔
GeoGebra
New Resources
畫出對稱圖形
sanjiaohanshu
伊朗國旗 (Codex╱2026.10.07)
Earth with coastline
三半圓間的相切圓(Codex╱2026.10.07)
Discover Resources
Area of Parallelogram
坐标变换
example
test
shuipen
Discover Topics
Power Functions
Similar Triangles
Congruence
Linear Equations
Fractions