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Numbers galore

Posted by Denus Borris on 11/10/2009, 6:27 pm

1,2,3 ...,x,... a-1, a, a+1 ...,y,... b-1, b Numbers from 1 to b, b < 1,000,000 x is the middle number in portion 1 to a-1. y is the middle number in portion a+1 to b. Example: 1,2,3,4,5,6,7,8,9,10,11,12,13 a = 8, x = 4; b = 13, y = 11 (Sum of 1 to a-1) - x = (sum of a+1 to b) - y 1: what is maximum b? 2: what is a in terms of b?

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Message Thread: Numbers galore - Denus Borris 11/10/2009, 6:27 pm Re: Numbers galore - markr 11/10/2009, 7:29 pm extension - markr 11/10/2009, 8:46 pm Re: extension - Denis Borris 12/10/2009, 4:20 am Re: extension - markr 12/10/2009, 4:28 am Question, Mark... - Denis Borris 12/10/2009, 6:44 pm Re: Question, Mark... - markr 12/10/2009, 8:51 pm « Back to thread

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