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 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 hai so chan co tat ca 8 so le . vay hieu bang
giua 2 so chan co tat ca 15 so le . Vay hieu hai so do la
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 2 so chan co 15 so le tim hieu 2 so
giua 2 so chan co 18 so chan tim hieu hai so
cac ban nho lam ca cach giai ra cho minh nhe ratcam on ca ban
giua 2 so chan co 18 so chan khac vay hieu hai so bang