33+7=
36-31=
31-12=
47-43=
44+2=
36-24=
33-1=
47+2=
35+4=
33-6=
46+3=
24-24=
47-12=
31+14=
14+11=
34-34=
34-13=
37+6=
44+5=
11+33=
32-28=
35-9=
11+21=
7+34=
24+5=
9+35=
28-4=
47-32=
39+1=
21-10=
6+41=
24-18=
28+15=
30-18=
28+6=
37-18=
48-39=
28-20=
45+4=
25+17=
20+20=
12+13=
23-21=
32-22=
26+2=
22-14=
37-33=
25-2=
30-7=
34-14=