christopher2847 christopher2847
  • 21-11-2019
  • Mathematics
contestada

612 + 309 =
485 + 551
670 + 448 =​

Respuesta :

ignatilie7
ignatilie7 ignatilie7
  • 21-11-2019

Answer:

Step-by-step explanation:

612+309=921

485+551+670+448=2154

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