Seudónimo Seudónimo
  • 20-09-2016
  • Mathematics
contestada

rounding or compatible numbers to estimate the sum 620+107=

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CaptainDonut
CaptainDonut CaptainDonut
  • 20-09-2016
You could do 600+100=700 because it would be close to the actual rusult
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Аноним Аноним
  • 20-09-2016
620+107=727
727=700
727=730
Answer Link

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