[(3^2)^3 ÷ (3^2)^2] + {(5^4 x 5^2)^3 ÷ [(5^2)^3]^2} ÷ (5^2 x 5^3) -6
[(3^2)^3 ÷ (3^2)^2] + {(5^4 x 5^2)^3 ÷ [(5^2)^3]^2} ÷ (5^2 x 5^3) -6
(3^2)^3/(3^2)^2 + (5^4·5^2)^3/((5^2)^3)^2/(5^2·5^3) - 6=
=3^6/3^4 + (5^6)^3/(5^6)^2/5^5 - 6=
=3^6/3^4 + 5^18/5^12/5^5 - 6=
=3^2 + 5^18/5^12/5^5 - 6=
=9 + 5 - 6 = 8