30+5=
12-8=
18-9=
7+5=
8+4-6=
16-5=
75-70=
14-6=
9+4=
45-40+6=
8+60=
15+4=
50+9=
17-8=
13-7+5=
58-8=
13-5=
20+8=
13-4=
5+4+60=