Question

Ao resolver corretamente a expressão 50+(5)elevado a 2 ÷5-30-(3elevado a 3-2)
a)0
b)-16
c)40
d)75

Answer 1

$\ \ \ 50+5^2:5-30-(3^3-2)\\ \\=50+25:5-30-(27-2)\\ \\=50+5-30-25\\ \\=55-55\\ \\=0$