Question

Calcule o valor numérico da expressão {[(9 · 4 + 3) ÷ 7 + (6 + 15 ÷ 5) · 3] · 2 – (19 – 7) ÷ 6}

· 2 + 12.​

Answer 1

{[(36 + 3) : 7 + ( 6 + 3) . 3] . 2 - 12 :6} . 2 + 12
{[ 39:7 + 9 . 3] . 2 - 2} . 2 + 12
{[ 39/7 + 27] . 2 - 2} . 2 + 12
{228/7 . 2 - 2} . 2 + 12
{456/7 -2} . 2 + 12
442/7 . 2 + 12
884/7 + 12
968/7