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正12面體
Author:
GEOGEBRA啟
GeoGebra
New Resources
拼砌四邊形
三位數除以一位數（二）
柱體建築師
球體建築師
画直线等分三角形的面积
Discover Resources
clock
對摺平行四邊形
斜坡上的線與交角
萬花筒
Twghmkc_運動與我
Discover Topics
Cylinder
Combinatorics
Cosine
Probability
Quadrilaterals