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Author:
范欣茹
GeoGebra
New Resources
四邉形 (四年級) 教師版
找出對稱軸
球體建築師
異分母分數減法
直角坐標平面上的旋轉變換
Discover Resources
move
兩條數線比較(雙單位)
经纬度
畢氏定理證明（Ｉ）
包含除法（整數或分數 ÷ 分數）的副本
Discover Topics
Symmetry
Ratios
Curve Sketching
Plane Figures or Shapes
Special Points