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Proof1 彭凱揚
Author:
郭亮偉
GeoGebra
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三位數除以一位數（二）
小数 的副本
異分母分數減法
兩組對邊相等和有直角的四邊形
找出對稱軸
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封閉區域著色２
指數函數的平移(2)
象形圖 (找出最多/最少)
Graph Paper
存款試算工具
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Probability
Constructions
Means
Matrices
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