wzory
\sqrt{2\frac{2}{3}}:\sqrt{\frac{2}{3}}=\sqrt{\frac{8}{3}}:\sqrt{\frac{2}{3}}=\sqrt{\frac{\frac{8}{3}}{\frac{2}{3}}}=\sqrt{\frac{8}{3}*\frac{3}{2}}=\sqrt{4}=2
\sqrt{6,4}:\sqrt{10}=\sqrt{6,4:10}=\sqrt{0,64}=0,8
\sqrt[3]{2\frac{2}{3}}*\sqrt[3]{\frac{1}{9}}=\sqrt[3]{2\frac{2}{3}*\frac{1}{9}}=\sqrt[3]{\frac{8}{3}*\frac{1}{9}}=\sqrt[3]{\frac{8}{27}}=\frac{2}{3}
\sqrt[3]{-9}*\sqrt[3]{3}=\sqrt[3]{-9*3}=\sqrt[3]{-27}=-3
\frac{\sqrt[3]{2,7}}{\sqrt[3]{100}}=\sqrt[3]{\frac{2,7}{100}}=\sqrt[3]{0,027}=0,3
6\sqrt{5}*\frac{1}{2}\sqrt{5}=3*5=15
(2\sqrt{3})^2=2^2*(\sqrt{3})^2=4*3=12
\frac{3\sqrt{3}+0,5\sqrt{3}}{5}=\frac{3,5\sqrt{3}}{5}=0,7\sqrt{3}
5\sqrt[3]{7}-2,5\sqrt[3]{7}=2,5\sqrt[3]{7}
2\sqrt[3]{10}-\sqrt[3]{10}=\sqrt[3]{10}
\frac{5}{\sqrt{5}}=\frac{5}{\sqrt{5}}*\frac{\sqrt{5}}{\sqrt{5}}=\frac{5\sqrt{5}}{5}=\sqrt{5}
\frac{2\sqrt{3}}{\sqrt{2}}=\frac{2\sqrt{3}}{\sqrt{2}}*\frac{\sqrt{2}}{\sqrt{2}}=\frac{2\sqrt{6}}{4}=\frac{\sqrt{6}}{2}
\frac{\sqrt{2}-1}{\sqrt{3}}=\frac{\sqrt{2}-1}{\sqrt{3}}*\frac{\sqrt{3}}{\sqrt{3}}=\frac{\sqrt{6}-\sqrt{3}}{3}