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Author:
范欣茹
GeoGebra
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【案例】2013年安徽高考15题
拼砌四邊形
四邉形 (四年級) 教師版
画直线等分三角形的面积
錐體建築師
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n星角
Ex5C#10
Temp file
剪紙問題
小六 正方體的展開圖
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Indefinite Integral
Linear Equations
Scalene Triangles
Solids or 3D Shapes
Limits