Middle schoolers who do MATHCOUNTS can easily understand base nu

来源: BeLe 于 2015-04-27 10:49:03 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (381 bytes)
本帖于 2015-04-27 10:54:17 时间, 由普通用户 BeLe 编辑
回答: One math question 由 kclskcls 于 2015-04-27 10:34:23

Middle schoolers who do MATHCOUNTS can easily understand base numbers.


For example:  Find the 111th smallest positive integer which does not have 3 and 4 in its base-5 representation?




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