Question

помогите срочно!!!!!!!​

Answer 1

$\frac{1}{3} {a}^{2} - 64 {x}^{3} = \frac{1}{3} \times ( - 3) {}^{2} - 64 \times ( - \frac{1}{4} ) {}^{3} = \\ = \frac{1}{3} \times 9 - 64 \times ( - \frac{1}{64} ) = 3 + 1 = 4$