93-26= 19-5= 69+6= 72+12=
97-55= 69-25= 53+47= 54-30=
62+26= 20+78= 16+50= 79-73=
17+73= 97-70= 76+23= 60-53=
80-75= 47-11= 88-88= 54+13=
94-24= 53+33= 70+18= 52+12=
59-7= 56+7= 32-15= 60+3=
49-4= 58+21= 88-15= 37-20=
79-34= 41+56= 41-19= 96-54=
28+69= 50+1= 27+30= 30+28=