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Author:
Lin Ching Chieh
GeoGebra
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三位數除以一位數（二）
【案例】2013年安徽高考15题
球體建築師
異分母分數減法
四邊形的特性
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y=a(x-h)²+k
向量的伸縮
滑桿動畫
勝者即正義
旋轉體：8y² = x²(1 - x²)
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Plane Figures or Shapes
Percentages
Exponential Functions
Area
Quadratic Functions