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sharon扭曲的正方形
Author:
杨秀芬
GeoGebra
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四邊形的特性
拼砌四邊形
球體建築師
美國國旗 (Claude 版)
Claude 解幾何題
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大樂透開獎機2
Dividing in a Ratio 按比分物
GeoGebraBook(for20151202)
平移法（一）
Double Integral
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Fractal Geometry
Perimeter
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