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20161110試算表紅玫瑰
Author:
susan
GeoGebra
New Resources
画直线等分三角形的面积
三位數除以一位數（二）
畫出對稱圖形
兩位數加法
找出對稱軸
Discover Resources
抛物线
合 24（附答案）
Angles in intersecting and parallel lines
鉛筆畫圓
PIAY
Discover Topics
Congruence
Ratios
Centroid or Barycenter
Vectors
Statistical Characteristics