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连续开方（制作：谢建华，修订：孟宝兴）
Author:
孟宝兴
GeoGebra
New Resources
兩位數加法
找出對稱軸
sanjiaohanshu
畫出對稱圖形
異分母分數減法
Discover Resources
Translation, Reflection and Rotation
優良作品1(沛綺)
面鏡的反射
homework
相似双子模型（任意三角形）
Discover Topics
Polynomial Functions
Root
Similarity Transformation or Similarity
Constructions
Secant Line or Secant