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Jiawen Yun
Author:
Jiawen Yun
GeoGebra
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三位數除以一位數（一）
兩位數除以一位數（一）
【案例】2013年安徽高考15题
畫出對稱圖形
兩位數加法
Discover Resources
[問題] x² + 2xy + y² + 5x + ay + b > 0
分線比值
gltyz 斜圓錐
重疊法
狗绕五边形转
Discover Topics
LCM and GCD
Hypothesis Testing
Pythagoras or Pythagorean Theorem
Differential Calculus
Equilateral Triangles