Question

8 - Resolva a expressão numérica a seguir: 48 - {28 - 4 x [ 3 x ( 40 : 5 - 3 ) : ( 17 - 3 X 4 ) ] } *
a) 32
b) 33
c) 34
d) 35
e) 36

Answer 1

Resposta:

a) 32

Explicação passo-a-passo:

$=48- [28-4.[3.(\frac{40:5-3}{17-3.4} )]]\\\\=48-[28-4.[3.(\frac{8-3}{17-12} )]]\\\\=48-[28-4.[3.(\frac{5}{5})]]\\\\=48-[28-4[ 3.1]]\\\\=48-[28-4.3]\\\\=48-[28-12}\\=48-16\\\\=32$