Question

Háganme este ejercicio:
18-{-6-[-4-(-2+12)-5]}

Answer 1

18-{-6-[-4-(-2+12)-5]}
18- { -6- [-19]}
18-(+13)
=5
 

Answer 2

18-{-6-[-4-(-2+12)-5]}
18-{-6-[-4-(10)-5]}
18-{-6-[-19]}
18-{-6+19}
18-13=5