Question

{9 elevado a 2 - a raiz quadrada de 36 + [40:8+(5.4)+2 elevado a 4]} =

Answer 1

$9^2- \sqrt{36} +[ \frac{40}{8} +(5.4)+2^4]= \\ \\ =81-6+[5+20+16]= \\ \\ =81-6+41= \\ \\ =122-6=116$