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addition 2 digit

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  • 57+24
    81
  • 56+34
    90
  • 15+18
    33
  • 43+33
    76
  • 12+10
    22
  • 88+11
    99
  • 50+50
    100
  • 66+17
    83
  • 29+39
    68
  • 43+21
    64
  • 31+54
    85
  • 63+25
    88
  • 72+24
    96
  • 11+18
    29
  • 31+25
    56
  • 19+56
    75
  • 17+19
    36
  • 56+16
    72
  • 57+29
    86
  • 13+12
    25
  • 10+23
    33
  • 16+16
    32
  • 35+63
    98
  • 34+15
    49
  • 23+16
    39
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