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