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内外弦图
Author:
张老师
GeoGebra
New Resources
祖冲之的期望:内棋与外棋
圓的切線方程
【案例】2013年安徽高考15题
兩位數除以一位數(一)
三位數除以一位數(一)
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y=x sin(1/x) 的圖形
Copy of 倒數計時
二项式定理
函数作图工具的副本
维纳斯的身高 (简易版)
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Cuboid
Circumcircle or Circumscribed Circle
Statistics
Equilateral Triangles
General Quadrilateral