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2 digit addition

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  • 35 + 21 = ?
    56
  • 41 + 21 = ?
    62
  • 81 + 10 = ?
    91
  • 45 + 23 = ?
    68
  • 34 + 25 = ?
    59
  • 43 + 25 = ?
    68
  • 72 + 25 = ?
    97
  • 60 + 21 = ?
    81
  • 23 + 13 = ?
    36
  • 62 + 15 = ?
    77
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