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What is the answer?

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  • 80 - 60 + 20 = ?
    40
  • 1 + 6 - 5 = ?
    2
  • 30 + 60 - 40 = ?
    50
  • 40 - 30 + 20 = ?
    30
  • 10 + 80 - 50 = ?
    40
  • 70 + 10 - 80 = ?
    0
  • 10 + 60 + 20 - 70 = ?
    20
  • 60 - 50 + 4 = ?
    14
  • 9 - 8 + 6 = ?
    7
  • 60 + 30 - 90 + 60 = ?
    60
  • 20 + 60 - 70 + 80 = ?
    90
  • 90 - 70 + 10 + 60 = ?
    90
  • 5 + 4 - 8 + 3 = ?
    4
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