C�ch t�nh trung b�nh ho?t d?ng chan g?i (chuy?n ?y) theo giai do?n cho d�n �ng
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Printed Date: 01 May 2024 at 13:56
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Topic: C�ch t�nh trung b�nh ho?t d?ng chan g?i (chuy?n ?y) theo giai do?n cho d�n �ng
Posted By: administrator
Subject: C�ch t�nh trung b�nh ho?t d?ng chan g?i (chuy?n ?y) theo giai do?n cho d�n �ng
Date Posted: 12 May 2009 at 14:43
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v� d? b?n 25 tu?i du?c t�nh nhu sau:
2 x 9 = 18 t?c l� 1 tu?n 8 l?n
- d�y kh�ng �p d?ng cho d?i ch�ng ch? khuy�n l�n sinh ho?t nhu v?y l� di?u d? Suu t?m ------------- 
Qu� Huong |