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Drag the red dots, see the area ratio of EHFG to ABCD
Author:
johnmayhk
GeoGebra
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GeoGebra笔记功能体验课件
異分母分數減法
畫出對稱圖形
錐體建築師
兩組對邊相等的四邊形
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找動矩形的軌跡
三角型
線性規劃例11
柱體斜切
完全图
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Geometric Transformations
Straight Lines
Probability
Vectors
Diagrams