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练习十一,32,32,30,2,50,6,56,56,6,50,56,50,5,78,70,8,44,40,4,75,5,70,93,3,90,50+3=53(人),5355,够,29,-,9,20,页,50,95,30,72,70,76,60,9,4,26,8,80,40,+,8,48,条,35,-,5,30,根,50+6=56(分),50分,6分,56-50=6(分),5,30,3,1,2,9,70,8,