13+15-6=
30-4+0=
43-8+4=
4+27-26=
1-1+39=
37+9-0=
28+16-8=
38-22+4=
47+1-1=
22+18-12=
43+7-7=
33+16-4=
24-18+26=
36-29+37=
35+10-1=
10+32-18=
36-26+24=
11+11-11=
41-15+3=
1+44-0=
28+11-2=
37+8-6=
38-32+39=
50+0-0=
45-31+1=
19-1+5=
39-8+9=
37-28+24=
28+7-4=
49+0-0=
49-40+6=
48-22+18=
6+40-3=
27-26+45=
15+19-2=
50+0-0=
33+8-5=
25-7+12=
5+25-9=
2+20-15=
46-23+8=
48+0-0=
18+21-0=
2+27-3=
26+20-8=
3+43-29=
36-9+11=
19-17+44=
41-4+5=
37-7+17=