唯余空白格- 数独解法 - Sudoku

“唯余空白格”是一种基本的数独解法。

这种解法非常简单并基于以下事实：数独盘面中的每个3×3 宫、每一行或每一列中都应包含数字1 到9，并且每个数字在每个3×3 宫、每 ... “唯余空白格”是一种基本的数独解法。

这种解法非常简单并基于以下事实：数独盘面中的每个3×3宫、每一行或每一列中都应包含数字1到9，并且每个数字在每个3×3宫、每一行或每一列中只能使用一次。

因此，如果我们看到一个3×3宫、一行或一列中只剩下一个可用单元格，那么我们必须明确缺少1到9中的哪个数字，并将它填入这个空白单元格。

 您可以在下面的例子中看到它是什么样的。

这是主要的基本规则。

学会它之后，您可以继续学习下面的数独策略。

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