Question

Resolva: {-5+[7-(3+1)-10+2]}

Answer 1

{-5+[7-(3+1)-10+2]}
{-5+[7-4-10+2]}
{-5+[-5]}
{-5-5} = -10

Answer 2

{-5 + [7 - (3 + 1) - 10 + 2]}
{-5 + [7 - 4 - 8]}
{-5 + [3 - 8]}
{- 5 - 5 }
-10

Resposta: - 10