Zgjidhja e ushtrimit 1

Kryeni veprimet me thyesat.

1. $\dfrac{x}{3}+\dfrac{x}{3}$
2. $\dfrac{2x}{5}+\dfrac{x}{5}$
3. $\dfrac{x}{7}+\dfrac{3x}{7}$
4. $\dfrac{x}{5}+\dfrac{1}{5}$
5. $\dfrac{2x}{9}+\dfrac{2x}{9}$
6. $\dfrac{x}{8}-\dfrac{y}{8}$
7. $\dfrac{5x}{7}-\dfrac{2x}{7}$
8. $\dfrac{x}{7}-\dfrac{2}{7}$
9. $\dfrac{5}{x}+\dfrac{2}{x}$
10. $\dfrac{7}{y}-\dfrac{3}{y}$
11. $\dfrac{x}{y}+\dfrac{2}{y}$
12. $\dfrac{a}{x}-\dfrac{b}{x}$
13. $\dfrac{x}{4}+\dfrac{x}{4}$
14. $\dfrac{5x}{6}-\dfrac{x}{6}$
15. $\dfrac{8}{9xy}-\dfrac{2}{9xy}$