Question

Помогите пж очень надо ​

Answer 1

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