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旋轉對稱
Author:
Wong Chun Ying
Topic:
Symmetry
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等的四邊形
三位數除以一位數（二）
畫出對稱圖形
柱體建築師
Discover Resources
角的認識
(007)80201辛宇婕
餘數處理
多邊形陣列
分数应用题——巧分烧饼
Discover Topics
Numbers
Frequency Distribution
Root
Solids or 3D Shapes
Congruence