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Pappus Chain
Author:
李俊儀
GeoGebra
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兩位數加法
【案例】2013年安徽高考15题
拼砌四邊形
算柱 (兩位數)
判斷球體
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優良作品1(力嘉)
外積無結合律
三角形中線定理求最小值
擲兩個硬幣的機率分布的副本
谢庆GGB绘本一
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Equilateral Triangles
Expected Value
Functions
Tangent Line or Tangent
Frequency Distribution