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國旗
Author:
藍邦偉 Blue
GeoGebra
New Resources
找出對稱軸
柱體建築師
兩位數加法
異分母分數減法
兩位數除以一位數（二）
Discover Resources
大樂透開獎機(由小號到大號)
兩條數線比較
Circle
計算圖形周界（小六下）
杨辉三角
Discover Topics
Combinatorics
Difference and Slope
Right Triangles
Parametric Curves
Pythagoras or Pythagorean Theorem