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高中三大動圓軌跡圖形
Author:
MathChou
GeoGebra
New Resources
幾何作圖題：切三圓（題目）
畫出對稱圖形
Nested spiral octagon
世界平面地圖 (Codex╱2026.10.07)
三半圓間的相切圓(Codex╱2026.10.07)
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HKDSE 3D Figures
指数函数与对数函数关于y=x对称
ghk106a07 圓半徑與外切、外離關係
四次函數
三角形內角和180度
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Interest Calculation
Isosceles Triangles
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Volume
Triangles