20+5= 3+50= 85-5= 28-8= 32-2= 48-8= 56-6= 99-9= 9+90= 87-7= 23-3= 66-6= 80+8= 80+6= 36-6= 50+7= 70+8= 44-4= 43-3= 58-8= 55-5= 20+30= 18-8= 56-6= 29-9= 70-20= 30+30= 80-10= 90-20= 39-9= 34-4= 89-9= 75-5= 35-5= 27-20= 56-50= 48-8= 84-80= 47-7= 76-70= 18-8= 47-40= 65-60= 52-2= 20+20= 76-6= 9+70= 67-7= 60-40= 36-30= 56-6= 48-40= 62-60= 47-40= 88-80= 18-10= 89-9= 77-7= 52-50= 10+10= 50+50= 3+50= 48-8= 59-9= 38-8= 99-90= 98-8= 55-50= 22-2= 88-8= 23-3= 89-80= 77-70= 69-9= 30+50= 18-8= 81-1= 30-20= 59-50= 67-60= 96-90= 98-90= 40+30= 22-20= 19-9= 23-20= 43-3= 35+5= 69-60= 60-40= 33-3= 62-2= 92-2= 38-30= 72-70= 24-4= 67-7= 39-9=
76-6= 19-10= 47-7= 43-40= 15+5= 93-3= 45-20=
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