valexander valexander
  • 23-08-2016
  • Mathematics
contestada

rounding or compatible
52 + 39

Relax

Respuesta :

NAEBAE1
NAEBAE1 NAEBAE1
  • 23-08-2016
Without rounding your answer will be 52+39=91
With rounding your answer will be 50+40=90
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