Ответ:

  1. 20, 30, 40, 50, 60.
  2. 100, 90, 80, 70, 60.
  3. 22, 30, 35, 40, 45.
  4. 60, 62, 64, 66, 68.
  5. 95, 90, 85, 80, 75.
  6. 44, 46, 48, 50, 52.