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SUMAS Y RESTAS

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  • 17+10
    27
  • 2+19
    21
  • 10-7
    3
  • 25+8
    33
  • 18+12
    30
  • 15-6
    9
  • 12+3
    15
  • 12+13
    25
  • 14+8
    22
  • 7+9
    16
  • 5+3-7
    1
  • 18-6
    12
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