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