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3-Digit Addition and Subtraction

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  • 481 + 369
    850
  • 781 + 135 =
    916
  • 817 - 684 =
    133
  • 427 + 315
    742
  • 103 + 108 =
    211
  • 55 - 29
    26
  • 23 + 19
    42
  • 601 + 313
    914
  • 993 - 621
    372
  • 67 - 35
    32
  • 289 + 189 =
    478
  • 346 - 138 = ______________
    208
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