lg2.56=0.4082,lgx=(1/2)(
lg2.56=0.4082,lgx=(1/2)(-1.5918),则x等于？请写一下解答过程，谢谢哈
lgx=1/2*(-1.5918) =1/2*(-2+0.4082) =1/2*(-2+lg2.56) =-1+1/2*lg(1.6^2) =-1+1/2*2lg1.6 =lg0.1+lg1.6 =lg0.16 --->x=10^lg0.16=0.16