giua hai so chan co tat ca 5 so chan khac . vay hieu hai so do bang (5+1)x2=12
giua hai so chan co tat ca 5 so chan khac . vay hieu hai so do bang (5+1)x2=12
giua hai so chan co tat ca 5 so chan khac. Vay hieu hai so do bang
giua hai so chan co tat ca 5 so chan khac
vay hieu hai so do bang?
giua hai so chan co tat ca 15 so le vay hieu bang
giua 2 so tu nhien co 10 so tu nhien khac vay hieu bang
giua hai so co tat ca 99 so tu nhen khac vay hieu bang
giua 2 so chan co tat ca 18 so chan khac
vay hieu 2 so do bang? a:36 b:37 c:38 d:34
giua hai so chan co tat ca 8 so le . vay hieu bang
giua 2 so chan co 18 so chan khac vay hieu hai so bang
hai so tu nhien co tong bang 2011 va giua chung co tat ca 9 so chan tim hai so do
hai so tu nhien co tong bang 2009 va giua chung co tat ca 5 so le
tim hai so tu nhien co tong cua chung bang 636 va giua chung co tat ca 11 so tu nhien khac
tim hai phan so biet tong cua bang 5/6 va hieu cua chung bang 1/6
tim hai phan so biet tong cua chung bang 17/20 va hieu cua chung bang 7/20
giua hai so chan co 5 chu so chan khac .Vậy hieu hai so do bang
giua 2 so chan co tat ca 15 so le . Vay hieu hai so do la