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10+10=

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  • 8+9=
    17
  • 4+8=
    12
  • 8-7=
    1
  • 5+3=
    8
  • 70-50=
    20
  • 3+3=
    6
  • 60-50=
    10
  • 10+10=
    20
  • 20-2=
    18
  • 90-50=
    40
  • 13+13=
    26
  • 6+3=
    9
  • 30-13=
    17
  • 80-30=
    50
  • 6+4=
    10
  • 20-5=
    15
  • 50-40=
    10
  • 22+3=
    25
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