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Re: [Matx]#672b: Sechzig Grad
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GJ Woeginger
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May 25, 2012, 1:05:45 PM
5/25/12
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Gibt es drei Punkte A,B,C mit ganzzahligen Koordinaten,
sodass der Winkel <ABC 60 Grad betraegt?
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Gerhard J. Woeginger
http://www.win.tue.nl/~gwoegi/
Philippe 92
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May 25, 2012, 4:53:07 PM
5/25/12
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GJ Woeginger a écrit :
Das verstehe ich in 3D Raum ! (sonst ist dieselbe Aufgabe als #672)
Wo es ist klar dass ein einheit Würfel uzw...
Herzliche Grüsse.
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Philippe C. mail chephip à
free.fr
site divertissement mathématiques
http://mathafou.free.fr
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