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黃金三角形
Author:
王廷祐
GeoGebra
New Resources
找出對稱軸
兩位數加法
球體建築師
兩位數除以一位數（一）
【案例】2013年安徽高考15题
Discover Resources
y=x²+a的圖形
數論淺談: 整數解之奧秘
reflectional symmetry_2
Question 1
翻牌游戏中的数学道理
Discover Topics
Hypergeometric Distribution
Quadratic Equations
Fractions
Rational Numbers
Standard Deviation