一本小说的页码,在印刷时必须用1989个铅字,这本书共有多少页?5d:M.W*Z'u'U't1k4M8M9b*m-F
算式:提示/l2h3N/L4]5d:M.W*Z'u'U't1k4M8M9b*m-F
答:这本书共有)[6X8S;b3J)p)E6Q'U7X(I页。5d:M.W*Z'u'U't1k4M8M9b*m-F