Question

12-{-5+[-(+13-5)+(11-8)]}

Answer 1

12-{-5+[-(+13-5)+(11-8)]}
12-{-5+[-(+8)+(+3)]}
12-{-5+[-8+3]}
12-{-5+[-5]}
12-{-5-5}
12-{-10}
12+10
22

Answer 2

12-{-5+[-(+13-5)+(11-8)]}
12-{-5+[-(+8)+(+3)]}
12-{-5+[-8+3]}
12-{-5+[-5]}
12-{-5-5}
12-{-10}
12+10
Resposta:22