Županijsko natjecanje 2010 SŠ1 5
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Avg: 3,0 Na ploču
postavljeno je
žetona tako da nikoja dva nisu na istom polju. Pritom
žetona zauzima donju lijevu četvrtinu ploče, a preostalih
gornju desnu četvrtinu. Neka su
,
,
redom tri uzastopna polja (horizontalno, vertikalno ili dijagonalno). Ako se dva žetona nalaze na poljima
i
i ako je polje
slobodno, žeton s polja
može se premjestiti na polje
, preskočivši žeton na polju
.
Može li se, konačnim nizom takvih poteza, premjestiti svih
žetona na donju polovicu ploče?
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Može li se, konačnim nizom takvih poteza, premjestiti svih
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Izvor: Županijsko natjecanje iz matematike 2010