mandyc mandyc
  • 29-09-2017
  • Mathematics
contestada

estimate the sum 523+117

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stephierodriguowuvdp
stephierodriguowuvdp stephierodriguowuvdp
  • 29-09-2017
i think the sum will be 640
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kayleewilkins00 kayleewilkins00
  • 29-09-2017
sum of 523+117
700
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