*數學是科學之母*          3 x 37 = 111    6 x 37 = 222    9 x 37 = 333   12 x 37 = 444   15 x 37 = 555   18 x 37 = 666   21 x 37 = 777   24 x 37 = 888   27 x 37 = 999 Nice one:111.111.111 x 111.111.111 = 12.345.678.987.654.321 Trapeze:                             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 another Trapeze:                             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 and another one:                                    0 x 9 + 8 = 8                                   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                  987654321 x 9 - 1  = 8888888888                9876543210 x 9 - 2  = 88888888888     願大家都 發發發發發...............一路發