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Answer 3.1:3

Revision as of 12:24, 1 April 2008 by Oskar (Talk | contribs)

a)	\displaystyle 3	b)	\displaystyle \displaystyle \frac{4\sqrt{3}}{3}
c)	\displaystyle 2\sqrt{5}	d)	\displaystyle 2-\sqrt{2}