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正弦公式1
Author:
maths324324
GeoGebra
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撒针估算面积实验
正方形雪花图案
盈利與虧蝕
科赫雪花
双心四边形
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a為底之指數函數圖形
畫三角形 題4a
数学涂鸦
雙曲線1--焦點法
微積分基本定理的副本
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Real Numbers
Quadrilaterals
Centroid or Barycenter
Arithmetic Mean
Cosine