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Mental Math

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  • 34 + 16 - 25 =
    25
  • 57 + 8 - 15 =
    50
  • 19 + 26 - 15 =
    30
  • 13 + 15 + 12 =
    40
  • 34 - 16 - 9 =
    9
  • 49 - 24 - 7 =
    18
  • 37 - 12 + 8 =
    33
  • 61 - 36 - 15 =
    10
  • 25 + 7 + 16 =
    48
  • 14 + 8 - 11 =
    11
  • 31 + 23 + 12 =
    66
  • 34 - 17 + 13 =
    30
  • 24 + 14 - 9 =
    29
  • 80 - 15 - 30 =
    35
  • 21 + 10 + 9 =
    40
  • 15 + 26 + 37 =
    78
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