shnayderboris
shnayderboris shnayderboris
  • 12-10-2017
  • Mathematics
contestada

7 times 23 is it easier to break apart the factor 23,20+3, or 15+8 ,explain

Respuesta :

Arcticatattack Arcticatattack
  • 12-10-2017
I would say 10+10+3, because it's a lot more easier. 
7x10=70
Then you would double 70 to get 140.
7x3=21
140+21=161



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