Question

me deem resposta pfvr?a)-{-[-(25+36)+(16-32)]} b){-[(3+1-8)-(-5-16)]}​

Answer 1

Vamos lá,

A)-{-[-(25+36)+(16-32)]}

−(−(−61+16−32))

−(−(−61+−16))

− −(−77)

= −77

B){-[(3+1-8)-(-5-16)]}

−(4−8−(−5−16))

−(−4−(−5−16))

−(−4−(−21))

= −17

16/03/2019