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太极图
Author:
zgc112
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
找出對稱軸
判斷球體
三位數除以一位數（一）
Discover Resources
正弦定理的证明
數學傳播39卷4期, 平面幾何公式思考
分數乘法
Copia de Fractal Spirograph (Fractal Roulette)
连续开方（制作：谢建华，修订：孟宝兴）
Discover Topics
Trigonometry
Linear Programming or Linear Optimization
Intersection
Linear Functions
Ratios