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定理介紹：切線與半徑 | Tangent and Radius
Author:
Ricky LI
,
chisunch1
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
Nested spiral octagon
Fibonacci Clock
國旗 (作圖步驟直接餵給 Claude)
伊朗國旗 (Codex╱2026.10.07)
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冪函數
探究平行四邊形的特性
矮額 太空喔
單向函數
一半模型归纳
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Distributions
Cube
Rational Numbers
Natural Numbers
Solids or 3D Shapes