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2014年8月31日 #

《组合数学》课程复习

摘要： Many counting problems are solved by establishing a bijection between the set to be counted and some easy-to-count set. This kind of proofs are usuall... 阅读全文

posted @ 2014-08-31 15:52 Vingstar 阅读(247) 评论(0) 推荐(0)