Ответ:

Слева направо на шкалах:

  1. 0, 7, 14, 21, 28, 35, 42.
  2. 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30.
  3. 0, 10, 20, 30, 40, 50, 60, 70.
  4. 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38.