Question

$25^{4} * 5 / 125^{3}$

Answer 1

$frac{25^4*5}{125^3}= frac{(5^2)^4*5}{(5^3)^3} = frac{5^8*5}{5^9} =5^{8+1-9}=5^0=1$

Answer 2

Спасибо