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梯形有甚麼特性?
Author:
Anthony OR 柯志明
English version:
http://ggbtu.be/m79855
GeoGebra
New Resources
四邉形 (四年級) 教師版
算柱 (兩位數)
異分母分數減法
【案例】2018年全国1卷理科12题
兩位數除以一位數(二)
Discover Resources
任兩正方形重組成一大正方形partII
銀杏葉
物件的平移概念
相似三角形
GeoGebra创建的小游戏集
Discover Topics
Quadratic Equations
Pie Chart or Circle Chart
Algebra
Rhombus
Stochastic Process or Random Process