28+8= 70+27= 78-6= 35+30= 68-60= 55-2= 9+79= 77-70= 46-20= 78-30= 75-5= 3+49=
80+18= 55-5= 62-20= 45-40= 19-8= 29-4=
40+38-= 50+37= 86-60= 23+40= 86-80= 6+30= 32-5= 20+5= 63+3= 25+5= 27-20= 6+90= 40-4= 31-2= 5+40= 93-3= 3+9= 85-5= 44+2= 33+3=
60-4= 22+8= 87+6= 42+6= 66-6= 14-8= 43+40= 76+6= 22-20= 6+80=
52+3= 7 +93= 58+7= 28+4= 25-5= 8+82=
81-9= 80-80= 45+3= 79-70= 54+9= 47-4= 26+3= 93-6= 41-4= 9+6= 25+9= 30+50= 20+9= 7+60= 86-6= 47+3= 77+7= 34+20=
8+80= 26-6= 68-60= 14-9= 73+9= 21+3= 98-8= 40+5= 34+20= 36+6= 53+3= 85-50= 28-8= 40+8= 4+50= 49-40= 54-8= 9+20= 72-8= 64-6= 40+30= 76-6= 52-50= 28-9=
53+0= 84-6= 2+33= 40+5=
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