Question

b) {2³ – [12 + (7 . 3 – 4) – 7]} : 5 + 3² . 2 + (8² – 5² ).

Answer 1

Explicação passo-a-passo:

b) {2³ – [12 + (7 . 3 – 4) – 7]} : 5 + 3² . 2 + (8² – 5² )=

{8-[12+(21-4)-7]}:5+9.2+(64-25)=

{8-[12+(17)-7]}:5+18+(39)=

{8-[29-7]}:5+57=

{8-[22]}:62=

{-14}:62=

−0,225806451

Espero ter ajudado ♥️.