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Isinyathelo 8 · Okunzima

Naked Pair (ipheya elibonakalayo): liyini leli qhinga? Indlela yokuxazulula i-Killer Sudoku

Ngamafuphi

Uma izikwele ezimbili emugqeni owodwa, ekholomini noma ebhokisini zinezinombolo ezingenzeka ezimbili ezifanayo kuphela, ungasusa lezo zinombolo ezimbili kuzo zonke ezinye izikwele zalelo qembu.

Liyini leli qhinga

Uma izikwele ezimbili emugqeni owodwa (ekholomini noma ebhokisini) ngasinye singaba ngu-3 noma ngu-8 kuphela, u-3 no-8 basetshenziswa yilezo zikwele ezimbili — noma ungakazi ukuthi yisiphi esithatha yini.

Ngakho asikho esinye isikwele kulowo mugqa esingaba ngu-3 noma ngu-8.

Ungalibona kanjani

Uma uthola isikwele esinezinombolo ezingenzeka ezimbili kuphela, funa emugqeni waso, ekholomini yaso nasebhokisini laso esinye isikwele esinazo lezo zimbili ncamashí.

Isibonelo

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Izindawo ezizungezwe ulayini wamachashazi yizibaya, isamba sisekhoneni eliphezulu kwesokunxele. Izikwele eziphuzi zikhombisa ukuthi ubheke kuphi, ezisawolintshi ziyisizathu, izinombolo ezibomvu yizinombolo ezingenzeka ongazisusa, kanti inombolo eluhlaza okotshani iyimpendulo.

Ebhokisini 7, izikwele M8K1 no-M9K1 zingathatha kuphela izinombolo 2 no-8. Lezi yizikwele ezimbili zezinombolo ezimbili, ngakho izinombolo 2 no-8 zisetshenziswa lapha (noma singakazi ukuthi iyiphi eya kuphi). Ngakho susa izinombolo 2 no-8 kwezinye izikwele ebhokisini 7 (M7K2, M7K3, M8K2, M8K3 no-M9K3).

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