Thread: Easy
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Old 2006-10-19, 17:14   #4
Bronze Medalist
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Jan 2004

22·33·19 Posts
Thumbs up Arithmetic progression.

Sorry to correct you but Retina is right, tho' you are also right tho' your method is not orthodox.
This problem was solved in a jiffy by Gauss, when he was 6 yrs. old , one of the three greatest mathematicians, who ever lived,[ Archimedes, Newton and Gauss]
I'm glad you mentioned it as it has refreshed my aging memory.


Last fiddled with by mfgoode on 2006-10-19 at 17:16 Reason: Add on
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