Question

17+ {[26-(15-8)+(8-4)]-9}=


alguém responde ae por favor com calculos

Answer 1

17+{[26-7+4]-9}
17+{13-9}
17+4
21

Answer 2

17+{[26-(15-8)+(8-4)]-9}=
17+{[26-7+4]-9}=
17+{[26-3]-9}=
17+{23-9}=
17+14=
31