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Jason_R
Supreme tranceaddict
Registered: Feb 2004
Location: High Wycombe
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| quote: | Originally posted by OrZonE
Easy:
You choose a number
N
which can be written down as
10x + y = N
Now, they want you to subtract the sum of the two digits of the number, so...
10x + y - (x + y) = 9x
So the number you get will always be a multple of 9, and if you check multiples of 9 always have the same symbol.
BTW, this is ancient |
THANKS
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Jul-17-2006 18:56
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