All numbers can be used only once ???

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All numbers can be used only once ???

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but u can solve it using some tricks by using permutation and combination

3! + 3! + 3! + 3! + 3! = 30

3*2 + 3*2 + 3*2 + 3*2 +3*2 =30

6 + 6 + 6 + 6 +6 =30