也就是说,把1到9 填入数独
使得 每行,每列只能是1到9 九个数(这样就是不重复了)有多少种添法?
使得每行,每列,每个小方格 只能是1到9 又有多少添法?
也就是说,把1到9 填入数独
使得 每行,每列只能是1到9 九个数(这样就是不重复了)有多少种添法?
使得每行,每列,每个小方格 只能是1到9 又有多少添法?
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