Question

3^3+3^20:3^18*3+3*3^8:3^6+3^10:(8*3^5+3^5)-4*3^3=

Answer 1

$3^3+3^{20}:3^{18}*3+3*3^{8}:3^6+3^{10}:(8*3^5+3^5)-4*3^3= \\ =3^3+3^{20}:3^{19}+3^9:3^6+3^{10}:3^{5}(8+1)-4*3^3=3^3+3+3^3+ \\ +3^5*9-4*3^3=3^3+3+3^3+3^5*3^2-4*3^3=3^3+3+3^3+3^3- \\ -4*3^3=27+3+27+27-4*27=84-108=-24$