化简:(2^18+2^16)*(-3)^2/(2^17+2^15)*27
问题描述:
化简:(2^18+2^16)*(-3)^2/(2^17+2^15)*27
答
(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