[tex] (\frac{5}{2} - \frac{7}{3} + \frac{9}{4} - \frac{11}{5} + \frac{11}{5} + \frac{13}{6} +- \frac{15}{7} +....+ \frac{2013}{1006} - \frac{2015}{1007} + \frac{2017}{1008} )
[/tex]-[tex]-( \frac{1}{2} - \frac{1}{3}+ \frac{1}{4} - \frac{1}{5} + \frac{1}{6} - \frac{1}{7} +...+ \frac{1}{1006} - \frac{1}{1007} + \frac{1}{1008)}
[/tex]
Este un singur exercitiu(este in continuare minusul ) Va rogg .Dau 50 de puncte!