Study

addition and subtraction

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  • 72 + 3 = ............
    75
  • 44 + 21 =
    65
  • 80 - 30 =
    50
  • 66 - 22 = ..........
    44
  • 54 + 11 = .............
    65
  • 36 + 30 =
    66
  • 84 - 53 = .............
    31
  • 80 + 10 =
    90
  • 25 + 31 = ................
    56
  • 72 + 12 =
    84
  • 25 + 21 =
    46
  • 22 + 13 =
    35
  • 54 + 33 =
    87
  • 11 + 66 =
    77
  • 64 - 2 = ...............
    62
  • 20 + 50 =
    70