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折扣 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
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三半圓間的相切圓(Codex╱2026.10.07)
Claude 解幾何題
長方體平面投影 (Codex版)
國旗 (Claude 版)
Nested spiral octagon
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圓周
檢驗區
餘弦定理
黃金矩形與複數級數
鸚鵡螺旋線
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Translation
Ellipse
Derivative
Surface
LCM and GCD