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Calculo mental

Calculo mental. Sumas 2 cifras + 1 cifra 001. Colegio Marista San José 4ºC – Curso 2008-2009 Luis Gutiérrez Martín - lgm@maristasleon.com. 13+4=. 70+9=. 81+5=. 92+3=. 84+2=. 72+7=. 21+7=. 44+4=. 65+5=. 71+4=. 84+3=. 53+7=. 41+8=. 81+3=. 13+6=. 64+4=. 40+5=. 57+3=. 33+3=.

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Calculo mental

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  1. Calculo mental Sumas 2 cifras + 1 cifra 001 Colegio Marista San José 4ºC – Curso 2008-2009 Luis Gutiérrez Martín - lgm@maristasleon.com

  2. 13+4=

  3. 70+9=

  4. 81+5=

  5. 92+3=

  6. 84+2=

  7. 72+7=

  8. 21+7=

  9. 44+4=

  10. 65+5=

  11. 71+4=

  12. 84+3=

  13. 53+7=

  14. 41+8=

  15. 81+3=

  16. 13+6=

  17. 64+4=

  18. 40+5=

  19. 57+3=

  20. 33+3=

  21. 30+9=

  22. 22+6=

  23. 41+1=

  24. 62+7=

  25. 81+8=

  26. 92+2=

  27. 64+6=

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