vanessanevarez vanessanevarez
  • 01-04-2020
  • Mathematics
contestada

6{−4[−5+7−(1+9)]+7}−9

Respuesta :

LCX919
LCX919 LCX919
  • 01-04-2020

Answer: 57

Step-by-step explanation:

6{-4[-5+7-(10)]+7}-9

6{-4[-1]+7}-9

6{11}-9

66-9=57

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