Question

Alguém pode me ajudar?​

Answer 1

Resposta:

= - 3

Explicação passo-a-passo:

$\frac{5.-1 +\frac{1}{2} }{2-\frac{1}{2} } \\\\\frac{-5+\frac{1}{2} }{\frac{3}{2} } \\\\\frac{\frac{-9}{2} }{\frac{3}{2} } \\\\\frac{-9}{2} .\frac{2}{3} \\\\\frac{-18}{6} \\\\=-3$