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quadrilaterals 2

Author:iedc

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兩組對邊相等的四邊形
拼砌四邊形
畫出對稱圖形
【案例】2013年安徽高考15题
小数的副本

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重複組合
以剪貼比較圖形大小題3
進階一
周界
重疊法

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Statistical Characteristics
Linear Functions
Reflection
Intersection
Perimeter

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