「最後剩餘的格子」技巧。
「最後剩餘的格子」是另一種數獨基本策略,此技巧的基礎是 3×3 的宮、直行和橫列裡的數字不可重複。
請看看 3x3 宮的範例。每一宮、每一行和每一列都必定有數字 8,這行和這列已經有 8,各位知道數字不能重複,因此我們不能將 8 又放到這裡。這表示宮裡只剩一個格子可填入數字 8。
相同技巧也可以用在列與行上。
這就是運用「最後剩餘的格子」技巧破解數獨謎題的方法。學會這個技巧後,就能繼續學習後續的數獨策略。
「最後剩餘的格子」是另一種數獨基本策略,此技巧的基礎是 3×3 的宮、直行和橫列裡的數字不可重複。
請看看 3x3 宮的範例。每一宮、每一行和每一列都必定有數字 8,這行和這列已經有 8,各位知道數字不能重複,因此我們不能將 8 又放到這裡。這表示宮裡只剩一個格子可填入數字 8。
相同技巧也可以用在列與行上。
這就是運用「最後剩餘的格子」技巧破解數獨謎題的方法。學會這個技巧後,就能繼續學習後續的數獨策略。
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