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相似三角形
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vincent21891
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Similar Triangles
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球體建築師
【案例】2013年安徽高考15题
GeoGebra笔记功能体验课件
錐體建築師
找出對稱軸
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Locus of mid-point of a variable chord of a circle.
題四
扇形面積公式2
螢橋國中-林安哲02
小數的認識（一）
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Interest Calculation
Derivative
Probability
Solids or 3D Shapes
Frequency Distribution