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折叠问题一例
Author:
孟宝兴
GeoGebra
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拼砌四邊形
算柱 (兩位數)
【案例】2013年安徽高考15题
兩位數加法
画直线等分三角形的面积
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三角形內切三圓
平移動畫(平移加滑桿)
locus wrt two pts on two indep. circle
直角三角形與正三角形
河內塔 3D (Tower of Hanoi 3D)
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Equations
Addition
Multiplication
Pyramid
Division