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Математика 1.0

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  • 20+7=
    27
  • 68-6=
    62
  • 46-2=
    44
  • 45-5=
    40
  • 19-4=
    15
  • 13+5=
    18
  • 29-5=
    24
  • 38-7=
    31
  • 94-3=
    91
  • 6+6=
    12
  • 10+50=
    60
  • 40+40=
    80
  • 90-20=
    70
  • 48+1=
    49
  • 49-7=
    42
  • 80-20=
    60
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