Answer :

the sum of odd number is not get evan number so it is imposible.
but it can done by factorial method.
3! + 15 + 9 = 30
3! + 11 + 13 = 30
3! = 3*2*1 = 6
The answer  is  

We cannot get a even number if we add the odd numbers togethers .This is impossible it is only possible in the factorial metod 


3! + 15 + 9 = 30
3!+11+13=30 

Hope it helps You

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