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Old 03-01-2008, 10:52 PM   #5
phantasmagorical
Junior Member
 
Join Date: Sep 2007
Posts: 147
Know your Pythagorean triples (3-4-5, 5-12-13, 8-15-17, etc.). They've helped me multiple times.
And another for distance/whatever - "dirt" (d=rt, distance=rate*time).
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