9+13= 38+23= 100-13= 54-19= 71+14=
7+13= 62-8= 60-25= 66-10= 62+23=
34-31= 27+66= 65-21= 92-35= 23-17=
92-7= 43-38= 60-18= 93-92= 42-38=
90+2= 15+64= 49-6= 31+36= 82-32=
46-28= 60-7= 91-4= 61-4= 95-91=
60-34= 45-22= 88-56= 42-27= 23-4=
68-43= 61-31= 1+53= 96-78= 78-15=
21+56= 55+7= 20-11= 8+26= 69+4=
37-26= 20+39= 13+39= 38+21= 64+1=
15+23= 23+54= 4+95= 66-55= 1+64=
51-38= 83-13= 63-53= 60-33= 24+23=
44-29= 98-55= 75-65= 16-2= 66+32=
