jenniferurbano559 jenniferurbano559
  • 01-09-2021
  • Mathematics
contestada

-31+(-42)=
38+(-43)=

Respuesta :

geemailer619
geemailer619 geemailer619
  • 01-09-2021

Answer:

-31+(-42)= -31-42 = -73

38+(-43)= 38-43 = -5

(-) - (-) = +

(-)+(-) = +

(-)+(+) = -

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