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2Â¥: Originally posted by hank612 at 2014-05-07 04:34:32
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Éè k ÊǷǸºÕûÊý. ¿ÉÒÔÖ¤Ã÷(²»ÄÑ¿´³ö), (k!)^2 mod(2k+1) Ö»ÓÐÈýÖÖ¿ÉÄÜ, 0, 1 »òÕß -1.

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Éè k ÊǷǸºÕûÊý. ¿ÉÒÔÖ¤Ã÷(²»ÄÑ¿´³ö), (k!)^2 mod(2k+1) Ö»ÓÐÈýÖÖ¿ÉÄÜ, 0, 1 »òÕß -1.

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2Â¥2014-05-07 04:34:32
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Edstrayer: ½ð±Ò+5 2016-01-08 01:47:43
ÒýÓûØÌû:
3Â¥: Originally posted by Edstrayer at 2014-05-07 09:19:03
µ±2k+1ΪºÏÊýʱ£¬(k!)^2\equiv 0(mod2k+1)...

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