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扇形動畫
Author:
紀老師
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
拼砌四邊形
画直线等分三角形的面积
兩位數除以一位數（一）
Discover Resources
正多邊形柱體表面積展開圖
Rolling Star
讀磅
Orthocentre
繡曲線01
Discover Topics
Rectangle
Dilation
Power Functions
Subtraction
Linear Equations