Răspunsuri

2014-11-12T14:33:13+02:00
28 / 2
14 / 7
  7 / 7
  1 / 1
28 = 2^1 x 7^2

42 / 2
21 / 3
  7 / 7
  1
42 = 2^1 x 3^1 x 7^1

36 / 2
18 / 2
  9 / 3^2
  1
36 = 2^2 x 3^2

(28, 42, 36) = 2^1 = 2