Question

1. Вычислите: (3 3•9 5):81 3

Answer 1

$\displaystyle\\\frac{3^3*9^5}{81^3}=\frac{3^3*(3^2)^5}{(3^4)^3}=\frac{3^3*3^1^0}{3^1^2}=\frac{3^1^3}{3^1^2}=3^1=3$