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Author:
xuhao
GeoGebra
New Resources
錐體建築師
拼砌四邊形
畫出對稱圖形
三位數除以一位數（二）
兩位數除以一位數（一）
Discover Resources
waaachen
Twist Bottle
不規則圖形的周界(intro Square)
平移指令
翰林數學_2下_CH4-1_平行線的特性與定義
Discover Topics
Coordinates
Derivative
Isosceles Triangles
Step Functions
Perimeter