Question

化简:(2^18+2^16)*(-3)^2/(2^17+2^15)*27

Answer 1

(2^18+2^16)*(-3)^2/(2^17+2^15)*27

=(2^18+2^16)*3^2/(2^17+2^15)*3^3

=2^15(2^3+2)*3^2/2^15(2^2+1)*3^3

=10/5

=2