quote:Originally posted by saralk quote:Originally posted by fluffy_lobster algebra time! where x and y are integers between 1 and 9: stage 1 = 10x + y stage 2 = 10x + y - 9x - y stage 2 = 9x Oh look! All the multiples of 9 are the same icon! isnt 10x + y - 9x - y = x, not 9x?
quote:Originally posted by fluffy_lobster algebra time! where x and y are integers between 1 and 9: stage 1 = 10x + y stage 2 = 10x + y - 9x - y stage 2 = 9x Oh look! All the multiples of 9 are the same icon!
quote:Originally posted by traxor Feckin Integers, there was sumit about that integer crap in an exam today... i missed the question out ...