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Nir Dahan Inner circle Munich, Germany 1390 Posts |
Use 3 "3"s to get to 20 (not restricted to the 4 elementary arithmetic operations)
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pxs Loyal user London 284 Posts |
(3!!/3!)/3!
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Nir Dahan Inner circle Munich, Germany 1390 Posts |
You got it!
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Turk Inner circle Portland, OR 3546 Posts |
Quote:
On 2004-04-28 05:54, pxs wrote: PXS, Would you please be so kind to translate this formula into "English" for we non-math majors? Thanks. Mike
Magic is a vanishing Art.
This must not be Kansas anymore, Toto. Eschew obfuscation. |
pxs Loyal user London 284 Posts |
The '!' symbol (pronounced factorial) means "multiply together all the numbers from 1 to x"
So - 5! is 5x4x3x2x1 So - 3! is 3x2x1 which is 6 and 3!! is 6! |
Turk Inner circle Portland, OR 3546 Posts |
Thanks, PXS. Whew!! Now I know why I didn't quit my day job to become a mathematician.
Mike
Magic is a vanishing Art.
This must not be Kansas anymore, Toto. Eschew obfuscation. |
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