생활상식

수 (數 ) 의 묘한 조화

생원세상 2009. 10. 21. 15:05

2009/10/21
생원 http://planet.daum.net/mindukkyu/ilog/8161949 복사
수(數)의 마술? 묘하군요 !!

 

                               1 x 8 + 1 = 9
                         12 x 8 + 2 = 98
                       123 x 8 + 3 = 987
                     1234 x 8 + 4 = 9876
                   12345 x 8 + 5 = 98765
                 123456 x 8 + 6 = 987654
               1234567 x 8 + 7 = 9876543
             12345678 x 8 + 8 = 98765432
           123456789 x 8 + 9 = 987654321

                           1 x 9 + 2 = 11
                         12 x 9 + 3 = 111
                       123 x 9 + 4 = 1111
                     1234 x 9 + 5 = 11111
                   12345 x 9 + 6 = 111111
                 123456 x 9 + 7 = 1111111
               1234567 x 9 + 8 = 11111111
             12345678 x 9 + 9 = 111111111
           123456789 x 9 +10= 1111111111


                           9 x 9 + 7 = 88
                         98 x 9 + 6 = 888
                       987 x 9 + 5 = 8888
                     9876 x 9 + 4 = 88888
                   98765 x 9 + 3 = 888888
                 987654 x 9 + 2 = 8888888
               9876543 x 9 + 1 = 88888888
             98765432 x 9 + 0 = 888888888


                           다음 대칭을 보세요:

                        1 x 1 = 1
                      11 x 11 = 121
                    111 x 111 = 12321
                  1111 x 1111 = 1234321
                11111 x 11111 = 123454321
              111111 x 111111 = 12345654321
            1111111 x 1111111 = 1234567654321
          11111111 x 11111111 = 123456787654321
        111111111 x 111111111 = 12345678987654321