Ответ:

  1. \(8\cdot4=32\)
  2. \(9\cdot3=27\)
  3. \(8\cdot7=56\)
  4. \(9\cdot6=54\)
  5. \(8\cdot9=72\)
  6. \(9\cdot8=72\)
  7. \(72:8=9\)
  8. \(63:9=7\)
  9. \(56:8=7\)
  10. \(81:9=9\)