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ptccs2new4
Author:
Cheung Wing Chuen
GeoGebra
New Resources
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
兩位數加法
球體建築師
異分母分數減法
Discover Resources
立體錯覺樓梯(使用透視法會稍有差距)
小學
勝者即正義,可愛即正義~
七巧板的副本
等比数列计算练习
Discover Topics
Prism
Pythagoras or Pythagorean Theorem
Quadratic Equations
Integral Calculus
Geometric Transformations