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Addition of whole numbers

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  • Add 7,842 and 3,109.
    10 951
  • Add 1,245 and 2,310.
    3 555
  • What is 235 + 142?
    377
  • What is 5,023 + 4,156?
    9 179
  • What is 12,456 + 8,234?
    20 690
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