Question

observe as operações a seguir e responda: -3-{-2-[-1+(-35+5)+(+5+5)+2]-3+4}

Answer 1

-3-{-2-[-1+(-35+5)+(+5+5)+2]-3+4}
-3-{-2-[-1+(-30)+(+10)+2]-3+4}
-3-{-2-[-19]-3+4}
-3-{-2+19-3+4}
-3-{18}
-21