Algebra - Sets

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Four things that unis think matter more than league tables 08-12-2016
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    Any help would be much appreciated - can't seem to do c,d or e.
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    Anyone?
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    (Original post by Fatts13)
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    Would be best to post this in the maths forum, you'll get more answers there.

    As for the question itself, try drawing a picture: Draw a line of dots for a finite portion of Z, choose a point, and colour all the points that are related to it in the same colour. Now do this for another point, and so on...
 
 
 
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