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螢橋國中-林安哲
Author:
螢橋國中
GeoGebra
New Resources
三半圓間的相切圓(Codex╱2026.10.07)
Earth with coastline
幾何作圖題：切三圓（題目）
Nested spiral octagon
畫出對稱圖形
Discover Resources
circle
tool
密鋪5
正弦线与直线
未命名圆锥的副本
Discover Topics
Algebra
Logarithmic Functions
General Quadrilateral
Complex Numbers
Geometry