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