Ответ:

  1. 5000 + 70000 = 75000
  2. 4000 + 9000 = 13000
  3. 100000 + 300000 = 400000
  4. 27000 − 7000 = 20000
  5. 47000 − 40000 = 7000
  6. 250000 + 50000 = 300000
  7. 824000 − 120000 = 704000
  8. 7300 + 1200 = 8500
  9. 98000 − 13000 = 85000
  10. 15210 − 1200 = 14010