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因數（1至48）
Author:
Tong Wing Hong
GeoGebra
New Resources
球體建築師
兩組對邊相等的四邊形
找出對稱軸
GeoGebra笔记功能体验课件
画直线等分三角形的面积
Discover Resources
美麗的彩虹骨牌
Time
立體三角測量(例六)
勾股树的副本
正方体表面积11种展开图
Discover Topics
Interest Calculation
Normal Distribution
Kite
Conic Sections
Cone