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Linenn - Jeux et Mathematiques - <br /> <b>Deprecated</b>: Non-static method plxUtils::strCheck() should not be called statically in <b>/homepages/3/d170528928/htdocs/jm/bn/core/lib/class.plx.show.php</b> on line <b>127</b><br /> Jeu du triangle retourné - linenn


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Jeu du triangle retourné

Par
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jp, le
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jeudi 04 mars 2010 à
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01:30 |
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Jeux | Page principale Jeux et Mathématiques

triangle


Triangle équilatéral

Retournez le triangle en déplaçant un minimum de pièces du triangle.

triangle
Triangle retourné
.

Recommencez avec un nombre différent de pièces : n = 0, 1, 2, 3, 4, 5, 6... sur les côtés, le nombre total de pièces du triangle est n(n+1)/2, c'est-à-dire 0, 1, 3, 6, 10, 15, 21...

Vous pouvez bien évidemment utiliser des pions, des jetons, des cailloux... et non des pièces de monnaie.

La solution minimale est expliquée ici PDF, mais cherchez-la auparavant.

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