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SUMAS Y RESTAS 2º

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  • 80 - 30 - 5 =
    45
  • 50 - 25=
    25
  • 100 + 20 + 10 =
    130
  • 40 + 20 + 12=
    72
  • 15 + 15 + 15 =
    45
  • 25 + 15=
    40
  • 75 - 15 =
    60
  • 60 - 30 -10 =
    20
  • 56 + 22=
    78
  • 12 + 12 + 5 - 4 =
    25
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