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Author:
hou yi ting
孢落限
GeoGebra
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四邊形的特性
找出對稱軸
拼砌四邊形
【案例】2013年安徽高考15题
三位數除以一位數（一）
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AP的中點所形成的圖形
Triangle
堆疊正立方體
Copy of 固定面積的圖形的周界變化
圆与直线的位置关系
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Tree Diagrams
Sequences and Series
Vectors 2D (Two-Dimensional)
Area
Translation