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  • Brainly User
2015-10-15T18:03:28+05:30

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If we repeat the no.s ,we will get an even no. then we again need an even no. which is not here.so we cannot complete it by 3 no.s,
with 2 no.s,15+15=30
with 4 no.s,11+13+5+1=30
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2015-10-16T00:01:51+05:30

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You can not add three odd numbers to get an even value. So use factorial

3! + 15 + 9 = 30
3! + 13 + 11 = 30
 
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