早教吧 育儿知识 作业答案 考试题库 百科 知识分享

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

题目详情
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)
▼优质解答
答案和解析
1.(7)(6)(1)(2)(5)(8)(3)(4)(9)
2.(5)(8)(9)(3)(1)(4)(6)(7)(2)
3.(4)(3)(2)(6)(9)(7)(1)(5)(8)
4.(1)(2)(4)(5)(3)(9)(8)(6)(7)
5.(3)(7)(8)(4)(6)(2)(9)(1)(5)
6.(6)(9)(5)(8)(7)(1)(4)(2)(3)
7.(8)(5)(7)(9)(4)(6)(2)(3)(1)
8.(2)(4)(3)(1)(8)(5)(7)(9)(6)
9.(9)(1)(6)(7)(2)(3)(5)(8)(4)