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腳踏車輪圈
Author:
李春培
腳踏車輪圈
GeoGebra
New Resources
折扣
双心四边形
三角函数 的副本
平行線的判定
科赫雪花
Discover Resources
waaachen
比和比值
mathmedia_40204
P.4對稱
橢圓面積的計算
Discover Topics
Real Numbers
Geometric Mean
Kite
Isosceles Triangles
Circle