Question

c) (A - B)², em que
A = (-50)÷(-5-5)x(-5)
B = [(-8)÷(+2)-7-(-1)]x5​

Answer 1

Resposta:

{(-50)÷(-5-5)x(-5)-[(-8)÷(+2)-7-(-1)]x5}²

{(-50)÷(-10)x(-5)-[(-8)÷(+2)-7-(-1)]x5}²

{(-50)÷(-10)x(-5)-[-4-7+1)]x5}²

{-25-[-4-7+1)]×5}²

{-25+10x5}²

{-25+50}²

25²

625

Espero ter ajudado!!

:)