17+1=
14-8=
1+18=
9+2=
1+14=
17-7=
18-17=
2-1=
5+12=
14-6=
17-12=
5+9=
12+4=
7+1=
10-5=
6+12=
18-15=
9+3=
11-9=
7+12=
12+5=
9+2=
4+14=
20-8=
5+10=
14-11=
16-7=
7+1=
2+6=
11-9=
13-2=
14-6=
14+3=