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平行線截等比例
Author:
周桂名
平行線截等比例
GeoGebra
New Resources
兩位數除以一位數（二）
找出對稱軸
拼砌四邊形
畫出對稱圖形
算柱 (兩位數)
Discover Resources
色彩視覺藝術
坐標幾何
斜率
六邊形
餘弦函數圖形
Discover Topics
Hyperbola
Subtraction
Confidence Interval
Centroid or Barycenter
Parabola