Ответ:

  1. 1/2 = 2/4.
  2. 1/2 = 4/8.
  3. 1/4 = 2/8.
  4. 2/4 = 4/8.
  5. 3/4 = 6/8.
  6. 2/4 = 1/2.
  7. 4/8 = 2/4.
  8. 4/8 = 1/2.
  9. 6/8 = 3/4.
  10. 4/4 = 8/8.