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Copy of Triangular Number
Author:
Ronan Downes
,
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
柱體建築師
算柱 (兩位數)
兩位數除以一位數（一）
球體建築師
找出對稱軸
Discover Resources
中國火柴遊戲二
Rectangle _03
陳柄何的GGB book
旋轉方塊
橢圓軌跡01
随机模拟实验（撒豆子估算π）的副本
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Root
Probability
Matrices
Continuity
Conditional Probability