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Add numbers including negative number

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  • -5 + 15 =
    10
  • 120 + (-5) =
    115
  • -36 + 150 =
    114
  • -19 + 40 =
    21
  • -112 + 300 =
    188
  • -23 + 20 =
    -3
  • 20 + (-11) =
    9
  • -2 + 21 =
    19
  • -55 + 29 =
    -26
  • -130 + 230 =
    100
  • 276 + (-47) =
    229
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