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正多边形的位似图
Author:
周胜华
GeoGebra
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異分母分數減法
GeoGebra笔记功能体验课件
錐體建築師
兩位數除以一位數（二）
畫出對稱圖形
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根據百分率找數量（二）: 例2
雨刷練習
DSE Circle-ACT01D Distance of Chords and Centre of a Circle
正多邊形邊上點旋轉
梯形面積(求上底)
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Ratios
Logic
Hypergeometric Distribution
Terms
Mathematics