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Author:
Yu-Tuan Lin
GeoGebra
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中華民國國旗 (Codex╱2026.10.06)
美國國旗 (Codex, 2026.10.06)
三半圓間的相切圓(Codex╱2026.10.07)
世界平面地圖 (Codex╱2026.10.07)
伊朗國旗 (Codex╱2026.10.07)
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扇形滾動基測試題
周界-平移法(教學練習一)
Test
任意四边形各边中点的连线必构成平行四边形.许兴华数学
橢圓的副本
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Limits
Quadratic Functions
Sphere
Vectors 2D (Two-Dimensional)
Trigonometry