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  1. #1
    Join Date
    Aug 2007
    Posts
    10

    Default beauty of maths...

    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
    > >
    > >
    > > Brilliant, isn't it?
    > >
    > >
    > > And finally, take a look at this symmetry
    > >
    > >
    > >
    > >
    > > 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

    :P :D :) :D :D 8) :lol: :lol:

  2. #2
    Join Date
    Oct 2007
    Posts
    13

    Default

    more than that I found >>

    99 x 11 = 1 0(11) 8(9-1) 9(9-0)
    99 x 35 = 3 4 6(9-3) 5(9-4)
    99 x 84 = 8 3 1(9-8) 6(9-3)

    get it ?? isn't it amazing??

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