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