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Copy of Concept of Ratios 比的概念
Author:
Ronan Downes
,
Alex CHIK
拖拉紅色點,將
(讀作
比
)或
(讀作
比
比
)化至最簡。
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
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အခြေခံ data အခေါ်အဝေါ်များ
apec
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