Beauty of Mathematics

                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


                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