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Flat Out (Posted on 2003-12-17) Difficulty: 3 of 5
What is the minimum number of pennies that can be placed upon a table so that each penny touches three, and only three, others?

(All the pennies must lie flat on the table.)

See The Solution Submitted by DJ    
Rating: 4.3333 (9 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
To coin a phrase, it de-pence....Dej Mar2012-10-12 20:10:16
answerK Sengupta2007-05-04 12:43:11
Gimme a nickel...Jer2005-02-07 17:27:31
re: Big table!Juan2004-01-02 22:43:00
Big table!Jack Squat2003-12-30 13:57:58
re(4): is 4 not ok ??dr pyser2003-12-30 02:17:18
re(3): is 4 not ok ??Charlie2003-12-29 14:11:05
re(2): is 4 not ok ??dr pyser2003-12-29 05:18:18
re: is 4 not ok ??Charlie2003-12-27 09:33:53
is 4 not ok ??Babu2003-12-27 06:43:15
I got itsnapp2003-12-24 18:13:56
oopsMakarand2003-12-21 03:45:55
pennies:SolutionMakarand2003-12-21 02:22:49
re: penniesCharlie2003-12-20 14:16:40
penniesBruce2003-12-20 14:08:53
re: Isn't this kind of easy?Charlie2003-12-18 08:13:25
re: solutionRichard2003-12-18 01:24:20
Isn't this kind of easy?sargon2003-12-18 01:07:17
re(2): solutionSilverKnight2003-12-17 16:34:23
Some Thoughtsre: solutionPenny2003-12-17 16:28:48
SolutionSolution???krdmt5_0002003-12-17 16:05:47
SolutionsolutionSilverKnight2003-12-17 14:23:36
First ThoughtsBob Genisot2003-12-17 14:21:36
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