15+10=
13+70=
8+5=
11-6+8=
20-7=
12+6=
79-7=
60-50-7=
16+2=
24-8=
20-3=
87-50+4=
17-6=
85-9=
5+41=
44+6-9=
8+4=
13-4=
92-9=
30+7+4=