Mehr822 Mehr822
  • 11-07-2014
  • Mathematics
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Using numbers 1 3 5 7 9 11 13 17 19 in 5 steps sum should be 30.We can repeat numbers.

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konrad509
konrad509 konrad509
  • 11-07-2014
All given numbers are odd. The sum of odd number (in this case 5) of such numbers is odd too. 30 is an even number, so it's impossible to get 30 in total by adding up any of these numbers.
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