Question

1.
Resolva: ( - 12:2)+(3.(-1)] + 8-9-3 =
a) 13
b) 12
c) - 13
d) - 12​

Answer 1

Resposta:

( - 12 : 2) + [(3 · (-1)] + 8 - 9 - 3

( -6) + ( -3) + 8 - 9 - 3

-6 - 3 + 8 - 9 - 3

-9 + 8 - 9 - 3

-1 - 9 - 3

-10 - 3

-13