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GeoGebra
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兩組對邊相等的四邊形
判斷球體
畫出對稱圖形
三位數除以一位數（一）
【案例】2013年安徽高考15题
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掃描不等式圖
AirParcel
黄冈中考16题(扇形滚动)
海螺
杨辉三角形 Pascal Triangle
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Cone
Addition
Set Theory
Interest Calculation
Matrices