英语词汇“perfect number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	perfect number
释义	perfect number nounmaths Other entries for this word perfect square number noun DEFINITIONS1 1 a positive integer that is equal to the sum of all its proper factors 28 is a perfect number since 1 + 2 + 4 + 7 + 14 = 28. Submitted by: Samuel Chung from Mexico on 08/09/2018 Open Dictionary - September2018 Noun☞perfect number
随便看	sorrowful sorry sorry to bother you sort sorta sort code sorted sortie sortilege sorting office sort of sort out sort-out sort through sort/separate the wheat from the chaff sos sosatie so-so sot sotheby’s so there sotho sotho-tswana so to speak sotto voce

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