lg8+2lg5-lg2+(-1/27)^-1/3-【(根号2)-1】+3^log的底数9(2)=
问题描述：
lg8+2lg5-lg2+(-1/27)^-1/3-【(根号2)-1】+3^log的底数9(2)=
答
lg8+2lg5-lg2+(-1/27)^-1/3-【(根号2)-1】+3^log的底数9(2)
= lg8+lg25-lg2+(-27)^1/3-【(根号2)-1】+3^log的底数3(√2)
= lg(8*25/2)+(-3)-√2+1+√2
= lg100-3+1
=2-2
=0