Question

Найдите значение выражений 75^2 / 45^3

Answer 1

$\frac{15^{2}*5^{2}}{15^{3}*3^{3}} = \frac{5^{2}}{15*3^{3}} =\frac{5}{3^{4}} = \frac{5}{81}$

Answer 2

(5^2*5^2*3^2):5^3*3^3*3^3=5^2/5*3*3^3=25/405=5/81