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根據百分率找數量（二）: 例3 的複本
Author:
Miss Tsang
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等的四邊形
判斷球體
畫出對稱圖形
算柱 (兩位數)
美國國旗 (Codex 版)
Discover Resources
小學數學科 HTML5 Applets
semops_柱體
Copy of Wave Interference
初中二次函数课件设计（毕业设计）
Copy of Multiplication of polynomials 2 (多項式的乘法 2)
Discover Topics
Perimeter
Poisson Distribution
Set Theory
Solids or 3D Shapes
LCM and GCD