\frac{N_{2}}{N_{1}} = \frac{t_{2 s} - t_{2 v}}{t_{1 s} - t_{1 v}} = 1, 5 k o r d a .

${\frac{N_2}{N_1} = \frac{t_{2s} - t_{2v}}{t_{1s} - t_{1v}} = {1,5}{korda}.}$

Error