а) 12, 24, 36, 48, 60, 72, 84, 96, 108, 12б) 15, 30, 45, 60, 75, 90, 105, 120, 135, 15в) 22, 44, 66, 88, 110, 132, 154, 176, 198, 22г) 30, 60, 90, 120, 150, 180, 210, 240, 270, 300
а) 12, 24, 36, 48, 60, 72, 84, 96, 108, 12
б) 15, 30, 45, 60, 75, 90, 105, 120, 135, 15
в) 22, 44, 66, 88, 110, 132, 154, 176, 198, 22
г) 30, 60, 90, 120, 150, 180, 210, 240, 270, 300