Question

Помогите пж очень надо ​

Answer 1

$\sqrt[3]{27 \times 4 {}^{3} } - \sqrt{ \frac{81}{256} } = \sqrt[3]{3 {}^{3} \times 4 {}^{3} } - \sqrt{ \frac{9 {}^{2} }{16 {}^{2} } } = 3 \times 4 - \frac{9}{16} = 12 - \frac{9}{16} = 11 \frac{16}{16} - \frac{9}{16} = 11 \frac{7}{16}$