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畢氏定理完成20170330final
Author:
許志昌
GeoGebra
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畫出對稱圖形
第八周作业
四邊形的特性
拼砌四邊形
四邉形 (四年級) 教師版
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二次涵数的图象y=ax^2+b
glt-h02-05-圓錐展開
Geometry: Plane Figures (幾何： 平面圖像)
中研院數學所
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Fractal Geometry
Matrices
Differential Equation
Parabola
Parametric Curves