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Area of rectangle
Author:
harryau
Topic:
Area
Area of Rectangle
GeoGebra
New Resources
兩位數除以一位數（二）
兩組對邊相等的四邊形
三位數除以一位數（一）
畫出對稱圖形
判斷球體
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Roger Test Draw
滾動圓周來發現圓周長
向量合成
複合棒形圖_接疊
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Incircle or Inscribed Circle
Arithmetic
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