Răspuns:
Explicație pas cu pas:
[tex]\displaystyle{ \frac{45}{\sqrt{75}} = \frac{45\sqrt{75}}{75}^{(15} = \frac{3\sqrt{75}}{5} }[/tex]
[tex]\displaystyle{ \sqrt{75} = 5\sqrt{3} \rightarrow \frac{3\sqrt{75}}{5} = \frac{3 \cdot \not 5\sqrt{3}}{\not 5} }[/tex]
[tex]\boxed{=3\sqrt{3}}[/tex]