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正四面體反射面
Author:
Max Wong
GeoGebra
New Resources
兩位數除以一位數（二）
兩位數加法
【案例】圆柱体内放置一个大球六个小球
異分母分數減法
三位數除以一位數（一）
Discover Resources
指數圖形的平移
拋射問題
證平行四邊形 (對角相等)
正七角錐(旋轉，實體、透視)
Ice Mountain
Discover Topics
Correlation
Numbers
Special Points
Constructions
Orthocenter