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Author:
郭致伸
GeoGebra
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撒针估算面积实验
比較五件物件的重量
龙形曲线-分形龙
直線的斜率:水平變化 & 鉛垂變化
龙形曲线-分形龙2
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量角器2
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
slope
立方体最短路经
二重積分 (Double Integral)的副本
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Centroid or Barycenter
Median Value
Circle
Reflection
Natural Numbers