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菱形

Author:Tsang Ngan

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兩組對邊相等的四邊形
AI 訓練教室
sanjiaohanshu
近似值：有效數字
四邉形 (四年級) 教師版

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長方體旋轉
Sequence指令練習(逐一套疊三角形)
可動多邊形
指数函数与对数函数关于y=x对称
正多邊形各邊中點連線所圍成的圖形

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LCM and GCD
Conic Sections
Quadratic Equations
Interest Calculation
Confidence Interval

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