Art of Problem Solving

KGS math club/solution 3 1: Revision history

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1 July 2008

30 June 2008

  • curprev 15:3615:36, 30 June 2008 Telchar talk contribs 161 bytes +161 New page: the distance between the origin and a center of a little sphere is sqrt(n). => The radius of the big sphere is sqrt(n)-1 So we must have sqrt(n)-1 <= 2, or n<=9