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塗色01
Author:
李伶芳
GeoGebra
New Resources
球體建築師
拼砌四邊形
兩位數加法
三位數除以一位數（二）
找出對稱軸
Discover Resources
外公切線段長求法
指數1209
quadratic
第一組-垂心
模拟龟兔画板
Discover Topics
Mathematics
Exponential Functions
Addition
Centroid or Barycenter
Subtraction