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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=