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addition and subtraction

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  • 456 - 298=
    158
  • 432 +432=
    864
  • 987 - 158=
    829
  • 347 + 288 =
    635
  • 561 -181=
    380
  • 57 - 39
    18
  • 332 - 121=
    211
  • 4,567 + 256=
    4,823
  • 88 + 88=
    176
  • 7,899 + 2,144=
    10,043
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