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平行四邊形

Author:eyun306

Topic:Parallelogram

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兩組對邊相等的四邊形
兩位數除以一位數（二）
拼砌四邊形
畫出對稱圖形
四邊形的特性

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Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
對稱及變換
小四平面圖形學習單
拋物線6--包絡線法
動態軌跡與動態色彩

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Quadratic Equations
Definite Integral
Angles
Logarithm
Unit Circle

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