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Thursday, 23 june 2016

Hanna și bomboanele

Proposed by falcutaOffline
(2 comments)1.963 times displayed

In geantă sunt n bomboane. Sase din ele sunt de culoare oranj. Restul sunt de culoare galbena. Hanna mananca o bomboana,
fara sa se uite de ce culoare e. Pe urmă mai mananca una, fara sa atraga atentie la culoare. Probabilitatea ca a mâncat doua bomboane de culoare oranj e 1/3.
Demonstrati ca:
n^2−n−90=0


Tags: problema zilei, probleme de matematica, amuzante, matematica amuzanta, logica, Hanna, bomboane
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