Răspuns:
[tex]\frac{2\sqrt{3}}{15}[/tex]
Explicație pas cu pas:
[tex]\frac{1}{\sqrt{12}}+\frac{1}{\sqrt{75}}-\frac{3}{10\sqrt{3}}[/tex]
[tex]\frac{1}{2\sqrt{3}}+\frac{1}{5\sqrt{3}}-\frac{3}{10\sqrt{3}}[/tex]
[tex]\frac{\sqrt{3}}{6}+\frac{\sqrt{3}}{15}-\frac{3\sqrt{3}}{30}[/tex]
[tex]\frac{5\sqrt{3}}{30}+\frac{2\sqrt{3}}{30}-\frac{3\sqrt{3}}{30}[/tex]
[tex]\frac{4\sqrt{3}}{30}[/tex] = [tex]\frac{2\sqrt{3}}{15}[/tex]
