Question

Помогите,срочно!!!1!1!!!1!!!1

Answer 1

$frac{(5^2)^2*5^2}{5^7} = frac{5^6}{5^7} = 5^{-1} =1/5$

Answer 2

25 (2)*5 (5):5 (7)=5 (4)*5 (5):5 (7)=5 (9):5 (7)=5 (2)=25