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: Silliness
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06-19-2011, 04:07 AM
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Stitchawl
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Quote:
Originally Posted by
Billi
3
Beginning with 5! every factorial ends with 0, so you only have to add 1! + 2! + 3! + 4! (1+2+6+24 = 33).
This stuff leaves me so far in the dust, it's as if I never even entered the race!
Stitchawl
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