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BkD_act15_04c
Author:
Luk Sir
GeoGebra
New Resources
判斷球體
兩位數除以一位數（一）
找出對稱軸
GeoGebra笔记功能体验课件
拼砌四邊形
Discover Resources
peacock2
哈里斯螺旋 - 框線版 (Harriss Spiral)
兩向量的比
圓,圓柱,圓錐,球
How to draw a pentagon with ruler and compasses?
少了一個質數One less prime number
Discover Topics
Cylinder
Calculus
Unit Circle
Reflection
Dilation