Question

pfvr me ajudem!!!!!!!!!!!!!!

Answer 1

25+[6+8]=
25+14=
39

10-{[10-3]-2}=
10-{7-2}=
10-5=
5

45+{42-[18+4+5]}=
45+{42-27}=
45+ 15=
60

17+{[26-7+4]-9}=
17+{23-9}=
17+14= 31