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281 = 9*8 + 7*6 + 5*4 + 3*2 + 1 + 2*3 + 4*5 + 6*7 + 8*9. [Silva]

 

  Submitted: 2010-11-12 04:46:04;   Last Modified: 2010-12-02 15:10:29.



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