Study

addition

  •   0%
  •  0     0     0

  • 9 + 9 =
    18
  • 12 + 15 =
    27
  • 15 + 2 =
    17
  • 70 + 12 =
    82
  • 21 + 63 =
    84
  • 10 + 6 =
    16
  • 55 + 11 =
    66
  • 4 + 4 =
    8
  • 50 + 10 =
    60
  • 7 + 6 =
    13
  • 22 + 50 =
    72
  • 24 + 22 =
    46
  • 80 + 5 =
    85
  • 24 + 63 =
    87
  • 3 + 2 =
    5
  • 21 + 54 =
    75