1+3= 8-2= 4-3= 2+3= 8-4= 6-3= 4+3= 8-6= 5-3= 6+3= 8-5= 8-3= 3+3= 8-3= 7-3= 5+3= 8-7= 9-3= 2+3= 9-5= 8-4+1= 2+5= 9-4= 2+7-1= 2+4= 9-7= 5-3+4= 2+7= 9-6= 7-5-1= 2+6= 9-8= 6-2+5= 13 – 6 = 12 - 4 = 12 – 9 = 14 – 8 = 16 – 9 = 11 – 5 = 11 – 7 = 11 – 2 = 16 – 8 = 14 – 5 = 13 – 8 = 14 – 7 = 14 – 6 = 13 – 4 = 13 – 9 = 15 – 8 = 17 – 9 = 12 – 5 = 12 – 7 = 12 – 3 = 17 – 8 = 15 – 6 = 14 – 8 = 15 – 7 = 60 + 40 = 30 + 10 = 80 + 20 – 50 + 20 = 100 – 50 = 100 – 70 = 70 + 30 – 60 – 20 = 30 + 30 = 90 – 20 = 30 + 50 + 20 - 50 = 80 – 70 = 10 + 60 = 100 – 20 -20- 10 =
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