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Author:
johnmayhk
GeoGebra
New Resources
算柱 (兩位數)
兩位數加法
【案例】2013年安徽高考15题
三位數除以一位數(一)
画直线等分三角形的面积
Discover Resources
T3 Geobra
Triangle
關燈遊戲
三角形三边关系
畫出對稱圖形
Discover Topics
LCM and GCD
Angles
Pythagoras or Pythagorean Theorem
Planes
Rectangle