Tuesday, August 02, 2005

A new riddle

111111111 * 111111111 = 12345678987654321

2 Comments:

Blogger Kaushik said...

It makes sense when you see it this way:


111111111 * 111111111 =
------------------------------

111111111 * (
__100000000
_+_10000000
_+___1000000
_+____100000
_+_____10000
_+______1000
_+_______100
_+________10
_+_________1 )
------------------------------
___11111111100000000
_+__1111111110000000
_+___111111111000000
_+____11111111100000
_+_____1111111110000
_+______111111111000
_+_______11111111100
_+________1111111110
_+_________111111111
------------------------------
___12345678987654321


Apologies for the terrible formatting. Treat the underscores as spaces. Blogged doesn't accept <pre> tags unfortunately.

-K

10:28 PM  
Anonymous prestito auto said...

what a trick!

3:56 PM  

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