33+43=33+48=75-24=75-29=
50-23=34+56=27+65=91-12=
33+34=
21+15=
37+56=
33+37=
27+15=
24+17=
33+39=
72+15=
78+12=
32-17=
43+34=
56-9=
85-27=
56+32=
60-51=
72+18=
82-1 82-3
9-58 6-2