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Regrouping with addition and subtraction

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    Regrouping with addition and subtraction
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  • 35+26=
    61
  •  10
  • 15+28=
    43
  •  10
  • 63+29=
    92
  •  10
  • 67+17=
    84
  •  10
  • 15+18=
    33
  •  10
  • 43+49=
    92
  •  10
  • 62+28=
    90
  •  10
  • 25+34=
    59
  •  10