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Author:
lemilywy
GeoGebra
New Resources
三半圓間的相切圓(Codex╱2026.10.07)
世界平面地圖 (Codex╱2026.10.07)
直角坐標平面上的旋轉變換
畫出對稱圖形
伊朗國旗 (Codex╱2026.10.07)
Discover Resources
鏡射再旋轉
畢氏定理拼圖
一元二次不等式(圖解法)
Orthocentre
抛物线动态（不一样的做法）
Discover Topics
Arithmetic
Logic
Quadrilaterals
Sphere
Tangent Function