Răspunsuri

2014-10-26T18:51:27+02:00
2014-10-26T18:54:14+02:00
A+b+c (supra3)= 613 => a+b+c=455X3=1365 si a=613=> ca b+c=1365-613=752 . si b+c (supra doi , adica media aritmetica ) = 752 supra 2 =346.