Ответ:

  1. \(40199+1=40200\)
  2. \(59999+1=60000\)
  3. \(99999+1=100000\)
  4. \(8000-1=7999\)
  5. \(7200-1=7199\)
  6. \(3280-1=3279\)

Ответ: 40200; 60000; 100000; 7999; 7199; 3279.