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题目内容双击单词支持查询和收藏哦～
In a private library, biography books account for 5 per cent of all the paperback books, while paperback biography books account for 3 per cent of all the books, then what`s the percentage of paperback books among all the books?
_____%
_____%
60 显示答案
以上解析由 考满分老师提供。
