12+5=
27-9=
30+4=
3+40=
15+4=
23+3=
45+1=
25-9=
37-1=
15-9=
42-12=
18+8=
31+2=
12+5=
14+6=
28-7=
19-14=
22-2=
19-12=
14-2=
46+7=
27-9=
30+4=
3+40=
15+4=
23+3=
45+1=
25-9=
37-1=
15-9=
42-12=
18+8=
31+2=
12+5=
14+6=
28-7=
19-14=
22-2=
19-12=
14-2=
46+7=