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. \(4/4=8/8\)