Obliczenie :
[tex] \sqrt[3]{ - 2 \frac{10}{27} } = \sqrt[3]{ - \frac{64}{27} } = - \frac{4}{ 3} = - 1 \frac{1}{3} [/tex]
[tex]\sqrt[3]{-2\frac{10}{27}} = \sqrt[3]{-\frac{2\cdot27+10}{27}} = \sqrt[3]{-\frac{64}{27}} =\sqrt[3]{(-\frac{4}{3})^{3}}} = -\frac{4}{3} = -1\frac{1}{3}[/tex]
