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

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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