Mustafajuyan123 Mustafajuyan123
  • 10-11-2021
  • Mathematics
contestada



Use properties of addition to find each sum mentally. Show
your steps and identify the properties that you used.
1. 9 + 6 + 31 =

Respuesta :

lila2944
lila2944 lila2944
  • 10-11-2021
9 + 6 = 15
15 + 31 = 46

added 9 and 6 to get 15, then added 15 and 31 to get 46.
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