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PTCCS2new2
Author:
Cheung Wing Chuen
GeoGebra
New Resources
画直线等分三角形的面积
兩位數除以一位數(一)
拼砌四邊形
兩位數加法
找出對稱軸
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正四角錐
gyzel 橢圓的反射
正n邊形與圓上點的中點軌跡(解析)
矩形的極式
乘法表的自动练习的副本
Discover Topics
Secant Line or Secant
Hyperbola
Parametric Curves
Hypergeometric Distribution
Similar Triangles