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S12G4 長方形內夾正方形的周長問題
Author:
学用数学
GeoGebra
New Resources
畫出對稱圖形
小数 的副本
sanjiaohanshu
拼砌四邊形
兩組對邊相等的四邊形
Discover Resources
因式分解及配方法
拼貼2
認識直徑
割圆术估计圆周率（刘徽）
迭代多边形;平移;向量
Discover Topics
Fractions
LCM and GCD
Triangles
Probability
Normal Distribution