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Penjumlahan dan pengurangan bilangan bulat

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  • (-9)+15=
    6
  • 29- (-10)=
    39
  • (-15)+(-7)=
    -22
  • (-60)+40=
    -30
  • 9- (-4)=
    13
  • (-25)+(-75)=
    -100
  • -5+12=
    7
  • -8 - (-10)=
    2
  • 2+ (-8)=
    -6
  • 25+(-15)=
    10
  • 8+(-10)=
    -2
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