Răspunsuri

2014-09-03T17:04:04+03:00
N: 4,5,98

Z: -2,-3,-9
...............................................
2014-09-03T17:06:41+03:00
N(0,1,2,3,4,5,6........)
Z(-12,-11,-10,.........-1,0,1,2,3.........+1,+2,+3,.....)