Question

5-(4+11-1)-[3-(5-13)]

Answer 1

5-(4+11-1)-[3-(5-13)]
  5-(15-1)-[3-(5-13)]
     5-14-[3-(5-13)]
        5-14-[3-0]
           5-14-3
               6

Answer 2

5-(4+11-1)-[3-(5-13)]= 5-(4+11-1)-[3-(-8)]= 5-(4+11-1)-[3+8]= 5-(4+11-1)-11=
5-(15-1)-11= 5-14-11=5-25= -20.