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Copy of Triangular Number
Author:
Ronan Downes
,
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
兩組對邊相等的四邊形
兩位數除以一位數（二）
兩位數除以一位數（一）
三位數除以一位數（二）
柱體建築師
Discover Resources
Trapezium fixed height
排列組合
GeoGebra資料上傳
Dizzy (Just for Fun)
旋轉對稱
Solving the equations in the form ax + b = cx + d (Grouping like terms)
Discover Topics
Interest Calculation
Poisson Distribution
Matrices
Stochastic Process or Random Process
Polynomial Functions