![](https://img.haomeiwen.com/i26440977/316f69712e7aa264.jpg)
先回顾昨天文《片说:数独热身》中所提到的书中例子
![](https://img.haomeiwen.com/i26440977/684edd9dd0444445.jpg)
书中相关叙述如下:
要求是每行、每列、每个3x3块都填写1~9中每个数字恰好一次。
![](https://img.haomeiwen.com/i26440977/5d12d4e43c21e22c.jpg)
![](https://img.haomeiwen.com/i26440977/2941ea83fd6bb17f.jpg)
上述只是对A、B、C处所填数字仅用文字叙述理由,比较抽象(先必须知道“行”是指横向排列,“列”是指竖向排列)。下面则是以另一种方式(分拆分步:化整为零配图片)继续对前述数独分析讲解(数独漫步):
![](https://img.haomeiwen.com/i26440977/b87cc1f2e9ade3c2.jpg)
![](https://img.haomeiwen.com/i26440977/74292cdf60094da8.jpg)
![](https://img.haomeiwen.com/i26440977/797c40c2d619c2aa.jpg)
![](https://img.haomeiwen.com/i26440977/56acfc68f5f4ddeb.jpg)
![](https://img.haomeiwen.com/i26440977/f178b0ec334dd8b0.jpg)
最后是本书后面“数独漫步”的答案,可在做的过程中适时查用。
![](https://img.haomeiwen.com/i26440977/001a5952fd9ec235.jpg)
![](https://img.haomeiwen.com/i26440977/75863afb12713f99.jpg)
白家祥于涵乐园 2023.01.28
本文标题:片说:数独漫步
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