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Adição em Z

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  • -8-6-2
    -16
  • -5+14
    9
  • 9+5-16
    -2
  • -1+2-3+4
    +2
  • -3+2-5
    -6
  • -1+1
    0
  • -7-8-9+20
    -4
  • -20+5+6
    -9
  • 7-12-3
    -8
  • -9-8-7
    -24
  • 7+9-2
    14
  • -7-7
    -14
  • -6+13-2
    5
  • 9-12
    -3
  • 6-9+3
    0
  • -7-9
    -16
  • -16+3+6
    7
  • 12-9-5
    -2
  • 7-6+5-4+3
    5
  • 0-6
    -6
  • 10-5-8
    -3
  • -1-2-3
    -6
  • -12-3
    -15
  • 4-5+6
    5
  • 12-6+9
    15
  • 2+7-20
    -11
  • 6-15-2
    -11
  • -3+2
    -1
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