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固定周界的長方形面積變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
球體建築師
拼砌四邊形
第八周作业
兩位數加法
畫出對稱圖形
Discover Resources
為甚麼二次函數中，a是正數，開口向上?
正方形和長方形有甚麼特性？的副本
分數乘法1
Multiplication of Polynomials (多項式的乘法 2)
實作作業2
Discover Topics
Differential Equation
Perimeter
Tangent Function
Planes
Vectors