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Copy of 包含除法（1 ÷分數）
Author:
許琦
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
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四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
兩位數加法
異分母分數減法
拼砌四邊形
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Sequence指令練習(一維)
極線獨立定理 / polar independence theorem
銳角三角函數
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Hamid Naderi Yeganeh segment3
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Exponent
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