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Sums and Differences

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  • 37+29=
    66
  • 59+32=
    91
  • 55-29=
    26
  • 95-74=
    21
  • 81-25=
    56
  • 44+37=
    81
  • 24+26=
    50
  • 61-58=
    3
  • 32+38=
    70
  • 59+18=
    77
  • 39+42=
    81
  • Estimate the Sum: 76+17=
    100
  • Estimate the Sum: 463+215=
    680
  • 73-57=
    16
  • 80-54=
    26
  • 41-26=
    15
  • Estimate the Sum: 28+43=
    70
  • Estimate the Sum: 227+342=
    570
  • 67+24=
    91
  • Estimate the Sum: 227+342=
    570
  • 71-64=
    7
  • Estimate the Sum: 62+325=
    390
  • 90-57=
    33
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