Question

thhb
$.52525..55 {25}^{ {311? \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} }^{?} 3}$

Answer 1

what is this ???????