Seudónimo Seudónimo
  • 27-09-2016
  • Mathematics
contestada

Estimate, then find the sum of 312+397

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Аноним Аноним
  • 27-09-2016
312 397 ___ 709 that the answer if summary number by number you going to find it.
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Аноним Аноним
  • 27-09-2016
the estimate is 700 and the answer is 709.I did this all on paper so don't worry I am very good at estimating and adding. 
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