Răspuns :
15, 20 5 5 * 3 * 4 = 60 15 * 4 = 60
14, 49 7 7 * 2 * 7 = 98 14 * 7 = 98
20, 28 4 5 * 4 * 7 = 140 20 * 7 = 140
24, 36 12 12 * 2 * 3 = 72 24 * 3 = 72
120, 180 60 60 * 2 * 3 = 360 120 * 3 = 360
14, 49 7 7 * 2 * 7 = 98 14 * 7 = 98
20, 28 4 5 * 4 * 7 = 140 20 * 7 = 140
24, 36 12 12 * 2 * 3 = 72 24 * 3 = 72
120, 180 60 60 * 2 * 3 = 360 120 * 3 = 360