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Feb 15, 2011 at 14:41 history made wiki Post Made Community Wiki
Dec 22, 2010 at 13:33 comment added Orbling +1 For the last paragraph, which is all important. Usually it is not the answer that matters in such things, but the path taken to get there. As all my maths teachers ever said "show your working!"
Nov 23, 2010 at 20:39 history edited Robert Harvey CC BY-SA 2.5
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Nov 23, 2010 at 18:21 history edited Robert Harvey CC BY-SA 2.5
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Nov 23, 2010 at 18:16 history answered Robert Harvey CC BY-SA 2.5