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Friday, 31 july 2015

Cuburi de metal

Proposed by GabiOffline
(2 comments)2.005 times displayed

Avem o balanţă negradată şi fără nici un fel de etaloane de masă. De asemenea, avem 10 zece cuburi din metal, identice ca dimensiune şi aspect exterior. O parte sunt din aluminiu, celelalte de fier. Cele de fier sunt, evident, mai grele.

Se cere să stabiliţi câte cuburi sunt de fier şi câte sunt de aluminiu folosind un număr minim de cântăriri cu balanta. Altfel de cantariri nu sunt permise (de exemplu cu mana).


Tags: problema zilei, probleme de matematica, amuzante, matematica amuzanta, cuburi, metal
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