4) 1) a = 3 x b = 3 x 74 = 222 b = c : 9 = 666 : 9 = 74 c = 2 x d = 2 x 333 = 666 d = e : 3 = 999 : 3 = 333 e = 999 → cel mai mare numar ntural de 3 cifre
Verific: 999 : 3 x 2 : 9 x 3= 333 x 2 : 9 x 3 = 666 : 9 x 3 = 74 x 3 = 222
2) a = 2 x b = 2 x 342 = 684 b = c : 3 = 1 026 : 3 = 342 c = 6 x d = 6 x 171 = 1 026 d = e : 2 = 342 : 2 = 171 e = 3 x 114 = 342
Verific: 3 x 114 : 2 x 6 : 3 x 2 = 342 : 2 x 6 : 3 x 2 = 171 x 6 : 3 x 2 = = 1 026 : 3 x 2 = 342 x 2 = 648
