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說明用01
Author:
Su Wei-Chieh
GeoGebra
New Resources
柱體建築師
拼砌四邊形
三位數除以一位數（一）
兩組對邊相等的四邊形
找出對稱軸
Discover Resources
多邊形的切割與拼砌
翹翹板
等腰三角形
任意四边形各边中点的连线必构成平行四边形.许兴华数学
撒针估算面积实验
Discover Topics
Scatter Plot
General Quadrilateral
Set Theory
Mathematics
Dilation