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平面鏡成像 Image of Plane Mirror Reflection
Author:
W.L. Wong, Albert
GeoGebra
New Resources
柱體建築師
判斷球體
兩位數除以一位數（一）
四邊形的特性
畫出對稱圖形
Discover Resources
空間三坐標平面101.12.22
簡單的回饋「笑臉」與「哭臉」
圓周 (圖形G)
Solar System
整數乘分數
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Translation
Dilation
Pyramid
Percentages
Fractions