朋友给我出了一道数学题,横竖九个格子,填入1-9,让它每行都是1-9九个数而不重复!
朋友给我出了一道数学题,横竖九个格子,填入1-9,让它横竖每行都是1-9九个数而不重复!而其中有几个数字是固定的:
1.(7)()(1)()()()()(4)()
2.()(8)(9)(3)()()(6)()()
3.()()()(6)()(7)(1)()(8)
4.()(2)()()(3)()(8)()()
5.()()(8)()(6)()(9)()()
6.()()(5)()(7)()()(2)()
7.(8)()(7)(9)()(6)()()()
8.()()(3)()()(5)(7)(9)()
9.()(1)()()()()(5)()(4)
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