Sumar 9 2 cifras

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Sumar 9 2 cifras

  1. 1. Calculo mental Sumar 9 a un número de 2 cifras 001 Colegio Marista San José Luis Gutiérrez Martín - lgm@maristasleon.com
  2. 2. 45
  3. 3. 53
  4. 4. 39
  5. 5. 12
  6. 6. 48
  7. 7. 85
  8. 8. 25
  9. 9. 41
  10. 10. 63
  11. 11. 47
  12. 12. 49
  13. 13. 65
  14. 14. 31
  15. 15. 15
  16. 16. 69
  17. 17. 51
  18. 18. 24
  19. 19. 26
  20. 20. 31
  21. 21. 37
  22. 22. 91
  23. 23. 26
  24. 24. 23
  25. 25. 18
  26. 26. 46
  27. 27. 62

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