35) (210)2:27 27 =

$$\frac{(2^{10})^2 ∶ 2^7}{2^7} = \frac{2^{10 \cdot 2} ∶ 2^7}{2^7} = \frac{2^{20} ∶ 2^7}{2^7} = \frac{2^{20 - 7}}{2^7} = \frac{2^{13}}{2^7} = 2^{13 - 7} = 2^6 = 64$$

Ответ: 64