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Author:
吳秉沂
GeoGebra
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兩位數加法
四邊形的特性
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
判斷球體
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soccer(final)
優良作品4(楚耘)
題五
面积解题
直线与圆的位置关系
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Matrices
Geometric Mean
Parabola
Boxplot
Secant Line or Secant