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題 8
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
GeoGebra
New Resources
近似值：有效數字
四邉形 (四年級) 教師版
找出對稱軸
Earth with coastline
直角坐標平面上的旋轉變換
Discover Resources
正方形的旋轉2
中空柱體
長方形面積法 _單項式乘法
排水法求物件體積
Quiz on Addition and Subtraction of Directed Numbers (2)
Discover Topics
Statistical Characteristics
Angles
Ellipse
Translation
Conic Sections