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Author:
吳秉沂
GeoGebra
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球体的体积推导（优化版）
異分母分數減法
兩組對邊相等和有直角的四邊形
拼砌四邊形
四邉形 (四年級) 教師版
Discover Resources
三角形
利用Geogebra說明直線方程式的類型與性質
Rolling Circle
congruent (SSA, RHS)
線對稱圖形
Discover Topics
Variance
Hypothesis Testing
Similarity Transformation or Similarity
Vectors
Parabola