A book has 120 pages numbered l,2,3,and so .A book has 120 pages numbered l,2,3,and so on.How many times does the digit 1 (数字1)appear in the page numbers?A.52 B.53 C.50 D.49
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![A book has 120 pages numbered l,2,3,and so .A book has 120 pages numbered l,2,3,and so on.How many times does the digit 1 (数字1)appear in the page numbers?A.52 B.53 C.50 D.49](/uploads/image/z/13091627-11-7.jpg?t=A+book+has+120+pages+numbered+l%2C2%2C3%2Cand+so+.A+book+has+120+pages+numbered+l%2C2%2C3%2Cand+so+on.How+many+times+does+the+digit+1+%EF%BC%88%E6%95%B0%E5%AD%971%EF%BC%89appear+in+the+page+numbers%3FA.52+B.53+C.50+D.49)
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