89-21-12=
39-30-5=
82+1-1=
83-65-15=
56+10-27=
62-46-6=
40+6+33=
58-33+55=
69-16+32=
37+3+12=
68+10-9=
72+16-5=
72+2+3=
62-9+33=
44+40-13=
50-17-5=
89-62+22=
87-42-7=
61-51-6=
38+6-2=
60+19-8=
43+12-35=
56-10+1=
44-41+20=
91-81+38=
98-58-31=
85+2+6=
70-10+37=
70-42-20=
38+47-13=
89-13+10=
75-44-12=
67+1+7=
93-83+5=
52-26-18=
59-27+34=
87-35+5=
52+12-1=
54-27-25=
79-49-29=