Question

Упростите выражение

Answer 1

$\frac{( \frac{1}{25})^-^n }{5^2^n^-^1}= \frac{ (\frac{1}{5})^-^2^n }{5^2^n^-^1}= \frac{5^2^n}{5^2^n^-^1}=5^2^n^-^(^2^n^-^1^)=5^2^n^-^2^n^+^1=5^1=5$