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	policy transfer polio poliomyelitis polish polished polish off polish up politburo polite polite company polite conversation politely polite society politesse politic political political action committee political capital political correctness political economy political football political geography politically politically correct political obligation

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