Question

5) Ao resolver a expressão numérica, [(18+3.2): 8 + 5.3]: 6=
a) 12
C)
b) 3
c) 4
d) - 6​

Answer 1

→ Cálculo :

⇔ Alternativa correta Letra B

$\large \boxed{\begin{array}{lr} {[(18+3\times2)\div8+5\times3]\div6} \\ \\ {[(18+6)\div8+15]\div6}\\\\{[24\div8+15]\div6}\\\\{[3+15]\div6}\\\\ {18\div6}\\\\\boxed{\red{ \ 3 \ }} \Leftrightarrow {\rm \ Resposta} \\ \end{array}}$

Answer 2

olá !!!

$[(18+3.2): 8 + 5.3]: 6=\\[(18+6):8+15]:6=\\[24:8+15]:6=\\[3+15}:6\\18:6\\=3$

espero ter ajudado

Att: Jovem Lendário