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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
区域面积
軌跡二︰移動點與兩固定點保持相等距離(垂直平分線)
三度空間中的長方體
切割正十二面體(平)
整數
Discover Topics
Arithmetic Mean
Rectangle
Arithmetic Operations
Linear Equations
Congruence