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封閉圖
Author:
林順隆
GeoGebra
New Resources
四邊形的特性
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
畫出對稱圖形
柱體建築師
Discover Resources
折射的現象
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
幾何_圓2
Rotational symmetry examples
對稱圖形
Discover Topics
Fractal Geometry
Logarithmic Functions
Cuboid
Similar Triangles
Standard Deviation