17-7-8=
14+5-9=
8-5+10=
3-1+7=
18-8-6=
13-9+3=
10-10+8=
4+10-4=
18-8-7=
5+11+1=
10-9+7=
4+3+7=
19-7+5=
11-6+10=
13+4-1=
2+1+12=
8+3-6=
12-6+6=
3-3+4=
14-6+10=
15-5-7=
5+12-9=
12-6-4=
6-4+10=
7+9-1=
14-10-3=
11+6-8=
11-3+1=
13+2+2=
1+8+2=
6+11-10=
7+2-6=
2+5+8=
2+4+9=
5+5+1=
12+2+3=
14-4-3=
11-2-2=
13-6-2=
4+9-2=