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不規則鑲嵌無背景 楊靜宜
Author:
楊靜宜
GeoGebra
New Resources
兩組對邊相等的四邊形
找出對稱軸
兩位數加法
兩位數除以一位數（一）
四邉形 (四年級) 教師版
Discover Resources
平移
劉徽的「割圓術」
旋轉4
All in one (Centres of triangle)
十六菊
Discover Topics
Mathematics
Stochastic Process or Random Process
Logarithm
Inequalities
Polygons