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怪函數
Author:
李春培
GeoGebra
New Resources
【案例】2013年安徽高考15题
三位數除以一位數（二）
拼砌四邊形
找出對稱軸
球體建築師
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七巧板兔子12月坊
以面積固定平行線軌跡
動態角=30
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
圓相切
Discover Topics
Addition
Pythagoras or Pythagorean Theorem
Incircle or Inscribed Circle
Equations
Centroid or Barycenter