Ответ:

  1. \(47-29=18\);
  2. \(62-34=28\);
  3. \(50-16=34\);
  4. \(27-19=8\);
  5. \(27+17=44\);
  6. \(34+37=71\);
  7. \(14+37=51\);
  8. \(68+15=83\).