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優良作品1(力誌)
Author:
Ching-Hui Chou
GeoGebra
New Resources
錐體建築師
找出對稱軸
兩位數除以一位數（一）
拼砌四邊形
三位數除以一位數（一）
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阿基米德(5,6,6)
正三角形內一點P, 到三頂點距3,4,5
tube15240
畢氏定理
交錯級數(Roger B. Nelsen)
Discover Topics
Natural Numbers
Coordinates
Geometric Transformations
Conic Sections
Sphere