Suma de nĂºmeros enteros 1.
  • 1. -5+9
  • 2. -7-3
  • 3. 18-4
  • 4. 9+11
  • 5. -6-2
  • 6. -9+3
  • 7. -20-22
  • 8. -20-6
  • 9. -9-8
  • 10. -6-9
  • 11. -7+12
  • 12. -5+9
  • 13. -3+9
  • 14. 9-30
  • 15. -14+8
  • 16. 4-8
  • 17. 8-29
  • 18. -8+10
  • 19. 4-12
  • 20. 10-22
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