计算:16^(3/4) *(1/2)^2 +2lg根号2 +(1/2)lg25 有谁会,
问题描述:
计算:16^(3/4) *(1/2)^2 +2lg根号2 +(1/2)lg25 有谁会,
答
=(2^4)^(3/4)×2^(-2)+lg(√2)²+1/2lg5²
=2+lg2+lg5
=2+lg10
=3