27^2/3-2^log2^3xlog2^1/8+lg^4+2lg^5等于
问题描述：
27^2/3-2^log2^3xlog2^1/8+lg^4+2lg^5等于
答
=(3^3)^2/3-3×log2^[2^(-3)]+2lg^2+2lg^5
=3^2-3×(-3)+2(lg^2+lg^5)
=9+9+2
=20