uniknya matematika [part 1]

  
  1                             1
  12                           21
  123                         321
  123.4                     4.321
  123.45                   54.321
  123.456                 654.321
  123.456.7             7.654.321
  123.456.78           87.654.321
  123.456.789         987.654.321
-------------- +    -------------- +
1.083.676.269       1.083.676.269  


       1 x 1     = 1
      11 x 11    = 121
     111 x 111   = 12321
    1111 x 1111  = 1234321
   11111 x 11111 = 123454321
  111111 x 111111= 12345654321