摘要:
http://www.careercup.com/question?id=5763123118080000Primes after a point in the series are multiples of 6 +/-1. that is 31 = 30 + 1, 37 = 36 + 1 and ... 阅读全文
posted @ 2014-08-15 14:55
canexjtuzju
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2014年8月15日