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橢圓2-四圓心近似法
Author:
30張婷淯
GeoGebra
New Resources
兩位數除以一位數（一）
異分母分數減法
判斷球體
【案例】2013年安徽高考15题
兩位數加法
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國旗製作
How to draw a square with ruler and compasses?
Copy of 釘點紙畫三角形
折纸角度探究
堑堵 鳖臑 阳马
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Limits
Arithmetic
Cosine
Random Variables
Plane Figures or Shapes