Ответ:

  1. 25819 + 100 = 25919.
  2. 309 · 100 = 30900.
  3. 500000 − 1 = 499999.
  4. 418578 − 570 = 418008.
  5. 395000 : 100 = 3950.
  6. 75800 − 10000 = 65800.
  7. 130007 + 8000 = 138007.
  8. 275300 : 10 = 27530.