Question

(9-[2-(1-5)])-[4-(5-4)+(-5)]

Answer 1

Respuesta:

(9-[2-(1-5)])-[4-(5-4)+(-5)]

Primero paréntesis:

(9-[2-(-4)])-[4-(1)+(-5)]

signos luego del paréntesis:

(9-[2+4])-[4-1-5]

Corchetes:

(9-6)+2

15+2

17