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Author:
吳秉沂
GeoGebra
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【案例】2013年安徽高考15题
兩組對邊相等的四邊形
画直线等分三角形的面积
兩位數加法
三位數除以一位數(一)
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奈格爾點
Compare areas by cutting shapes Q1
多物件逐一動畫
雙曲線3-等軸法
表内除法
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Matrices
Random Experiments
Pyramid
Sphere
Trigonometric Functions