Ответ:

  1. \(7+5=12\)
  2. \(8+3=11\)
  3. \(9+7=16\)
  4. \(6+6=12\)
  5. \(14-6=8\)
  6. \(12-4=8\)
  7. \(15-8=7\)
  8. \(13-5=8\)

Ответ: 12, 11, 16, 12, 8, 8, 7, 8.