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Author:
洪馷孺
GeoGebra
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拼砌四邊形
画直线等分三角形的面积
柱體建築師
四邊形的特性
四邉形 (四年級) 教師版
Discover Resources
拋射問題
Sequence指令練習(二維3)
量角器
S5 Transformation of Functions
函数作图工具的副本
Discover Topics
Intersection
Statistical Characteristics
Centroid or Barycenter
Square
Cylinder