对: 8-6=2, 10-5=5, 12-4=8, 11-1=10, 12-9=3, 14-4=9, 7-0=7, 9-6=3, 错: 10-5=6, 12-10=3, 9-5=6, 4-0=0, 13-5=2, 6-2=3,

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