Răspunsuri

2014-10-15T16:31:54+03:00
 \frac{5}{2} x+ \frac{1}{2}
=> \frac{5}{2} este inmultit cu x,asa ca trebuie sa aducem x la acelasi numitor ->  \frac{5}{2}  ·  \frac{2}{2} + \frac{1}{2}
 \frac{10}{2} + \frac{1}{2} = \frac{11}{2}