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Isinyathelo 1 · Okwabaqalayo

Hidden Single (indawo eyodwa kuphela): liyini leli qhinga? Indlela yokuxazulula iSudoku

Ngamafuphi

Uma inombolo ingangena esikweleni esisodwa kuphela emugqeni, ekholomini noma ebhokisini, leso sikwele kumele sibe yileyo nombolo.

Liyini leli qhinga

Uma inombolo ingangena esikweleni esisodwa kuphela emugqeni, ekholomini noma ebhokisini, leso sikwele siyimpendulo.

Isibonelo: funa lapho u-7 angangena khona ebhokisini. Zonke ezinye izikwele sezivele zino-7 emugqeni noma ekholomini yazo, ngakho kusala isikwele esisodwa kuphela. Leso sikwele singu-7.

Ungalibona kanjani

Khetha inombolo eyodwa bese uhlola amabhokisi ngalinye ngalinye. Kusukela kuleyo nombolo esivele isebhodini, landela umugqa nekholomu yayo ucishe izikwele. Isikwele esisodwa esisalayo siyimpendulo yakho.

Isibonelo

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Izikwele eziphuzi zikhombisa ukuthi ubheke kuphi, ezisawolintshi ziyisizathu, izinombolo ezibomvu yizinombolo ezingenzeka ongazisusa, kanti inombolo eluhlaza okwesibhakabhaka iyimpendulo.

Ekholomini 2, u-5 angangena kuphela esikweleni M9K2. Zonke ezinye izikwele ezingenalutho zibonwa ngo-5 abasezikweleni M1K3, M6K9 no-M8K7 (ngomugqa, ngekholomu noma ngebhokisi), ngakho angeke zibe ngu-5.

→ Isikwele M9K2 singu-5.

Zijwayeze leli qhinga kusiphequluli