Question

даю 69 балов


($\sqrt[3]{8}$ * $\frac{\sqrt{81} }{-5,6}$)³

Answer 1

$\displaystyle\bf\\\Bigg(\sqrt[3]{8} \cdot\frac{\sqrt{81} }{-5,6}\Bigg) ^{3} =\Bigg(\sqrt[3]{2^{3} } \cdot\frac{\sqrt{9^{2} } }{-5,6}\Bigg) ^{3} =\Bigg(2 \cdot\frac{9 }{-5,6}\Bigg) ^{3} =\\\\\\=\Bigg(-\frac{45}{14} \Bigg)^{3} =-\frac{91125}{2744} =-33\frac{573}{2744}$