Ответ:

  1. 8×7 = 56
  2. 72:8 = 9
  3. 56:8 = 7
  4. 8×4 = 32
  5. 32:8 = 4
  6. 24:8 = 3
  7. 8:8 = 1
  8. 48:8 = 6
  9. 5×8 = 40