摘要: 题面 Description The Brocard Erdös Straus conjecture is that for any integer n 2 , there are positive integers a ≤ b ≤ c ,so that : $$ {4\over n}={1\ove 阅读全文
posted @ 2019-03-22 10:08 Artoriax 阅读(437) 评论(0) 推荐(0) 编辑