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2014希望盃九年級初試第九題
Author:
連琨銘
GeoGebra
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異分母分數減法
球体的体积推导（优化版）
四邉形 (四年級) 教師版
找出對稱軸
【案例】2013年安徽高考15题
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齒輪連接的方法與轉動。
函數
prism
Ex5C#2
小游戏
Discover Topics
Similarity Transformation or Similarity
Curve Sketching
Parametric Curves
Hypothesis Testing
Cosine