6 - 5+1=, 5 - 3+2=, 9 - 2+7=, 8 - 1+7=, 4 - 4+0=, 2 - 10-8=, 3 - 7-4=, 0 - 6-6=, 1 - 10-9=, 7 - 6+1=,

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