1. а)3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42.
б)4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44.
в)12, 24, 36.
2. а) верно
б)верно
в) неверно
г)верно
3.а) 3 6 9
б) 10, 15, 20,25, 30, 35
в) 18, 36, 54, 72, 90
г) 101, 202, 303, 404, 505, 606, 707, 808, 909
д)28, 42, 56, 70, 84, 98