Răspuns:
27*2+3×[(3^7)^9:3^30+3×3^27-3^33]: 9^13=
(3^3)^2+3×( 3^63:3^30+3^1×3^27-3^33):(3^2)^13=
3^6+3×(3^33+3^28-3^33):3^26=
3^6+3×(3^924-3^33):3^26=
3^6+3^1 × 3^28:3^26=
3^6+3^29:3^26=
3^6+3^3=
=3^18
coroana ?
