helloworld30 helloworld30
  • 21-08-2018
  • Mathematics
contestada

(-9 x -3) + 27 integers

Respuesta :

Shinrinyoku
Shinrinyoku Shinrinyoku
  • 21-08-2018
54

a rule I follow:
same signs positive,
different signs negative.

-9 * -3 = 27
27 + 27 = 54
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