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橢圓的切線作圖
Author:
紀延平
GeoGebra
New Resources
【案例】2013年安徽高考15题
兩位數除以一位數（二）
畫出對稱圖形
四邉形 (四年級) 教師版
三位數除以一位數（二）
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立體圖形
分數認識
gpxxz 線性組合：六角星、mj100-3
DSE Circle-ACT05B Exterior Angle of a Cyclic Quadrilateral
一筆畫
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Plane Figures or Shapes
Circle
Inequalities
Pie Chart or Circle Chart
Functions