12-1+1=
10-8-1=
1-1+1=
9+7+2=
14-5+6=
14-9+12=
12-4+9=
19-1-6=
5-4+9=
1+18-5=
3+4-1=
15-4+4=
19-10+7=
14-4+3=
8-7+16=
16-1+1=
13-6+9=
15-10+8=
3-1+17=
8-3-1=
7-6-1=
12-7+11=
3+6-5=
7-2+13=
2+10+2=
2+9+5=
9+5+4=
4+2+11=
11+7-9=
16-5-4=
12-9+11=
4-1+9=
1+13-7=
17-5+7=
3+16-7=
2+16+1=
3+7-3=
13+3+2=
14+1+4=
17-2+3=