[tex]In\ acest\ caz\ vom\ folosi\ urmatoarea\ formula\ pentru\ numarul\\
de\ zero-uri:\\
{[\frac{n}{5}]+[\frac{n}{25}]+[\frac{n}{125}]+.... ,unde\ [x]\ reprezinta\ partea\ intreaga.}\\
In\ cazul\ nostru\ n=75:\\
{[\frac{75}{5}]+[\frac{75}{25}]+[\frac{75}{125}]+....(\ nu\ mai\ are\ rost\ sa\ continuam)=}\\
{[15]+[3]+0+0+0+....=\\
15+3=\boxed{18\ zerouri}[/tex]
