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椭圆的定义
Author:
梁航宇
GeoGebra
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拼砌四邊形
畫出對稱圖形
【案例】2013年安徽高考15题
算柱 (兩位數)
第八周作业
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線性變換對圖形的影響
How to draw a decagon with ruler and compasses?
拋物線基本名詞介紹
折長方形 62326虹圻
範例：丟骰子的副本
Discover Topics
Set Theory
Hyperbola
Trapezoid
Arithmetic Mean
Probability