Răspuns :
a.)489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502
b.) 755, 760, 765, 770, 775, 780, 785, 790, 795, 800, 805, 810, 815, 820, 825, 830, 835
Răspuns:
489, 490,491,492,493,494,495,496,497,498,499,500,501,502
755,760,765,770,775,780,785,790,795,800,805,810,815,820,825,830,835
Explicație pas cu pas: