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基測試題滾動
Author:
李春培
基測試題滾動
GeoGebra
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直角坐標平面上的旋轉變換
三位數除以一位數（二）
錐體建築師
算柱 (兩位數)
兩組對邊相等的四邊形
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畢氏定理證明
投擲兩枚硬幣的概率
矩形等距曲線
基础知识
Quiz on Addition and Subtraction of Directed Numbers (2)
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Rectangle
Division
Kite
Reflection
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