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congruent triangles
Author:
lamanleung
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
【案例】2013年安徽高考15题
画直线等分三角形的面积
畫出對稱圖形
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線性變換對圖形的影響
pentagon
test02
錐體的橫截面
多边形外角和的副本
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Special Points
Quadratic Functions
Boxplot
Conic Sections
Straight Lines