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台球反射
Author:
朱亮
GeoGebra
New Resources
【案例】2013年安徽高考15题
画直线等分三角形的面积
三位數除以一位數（二）
兩位數加法
球體建築師
Discover Resources
winter vacation homework 9
封閉著色2
優良作品2(薇如)
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
幻彩圆
Discover Topics
Difference and Slope
Pythagoras or Pythagorean Theorem
Geometry
Surface
Square