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弦心距比較
Author:
謝易達
GeoGebra
GeoGebra
GeoGebra
GeoGebra
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sanjiaohanshu
畫出對稱圖形
Fibonacci Clock
近似值：有效數字
美國國旗 (Codex 版)
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waaachen
指數與對數
正方体展开图的副本
初中数学
邊長與三角形（一） 的複本
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Sine
Optimization Problems
Similarity Transformation or Similarity
Translation
Means