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,?只,6+3=9,9只,9-6=3,9只,9-3=6,7,7,6,7,6,5,7,6,5,4,7,6,5,4,3,7,6,5,4,3,6,7,6,5,4,3,6,1,4,4,7,6,5,3,1,0,8,6,9-3= 8-8= 7-5= 4+3= 3+5= 4+1= 3+6= 9-5= 6+2=,6,7,9,0,8,4,8,2,5,9个,?个,9,-,5,4,6,2,8,2,6,=,=,=,