(1)0.25^(-2)+(8/27)^(-1/3)-1/2lg16-2lg5+(1/2)^0 =16+1.5-2lg2-2lg5+1=18.5-2(lg2+lg5)=18.5-2lg(2*5)=16.5
(2)1.5^(-1/3)×(-7/6)^0+8^(1/4)×2的根号4次方+(2的根号3次方*根号3)^6-根号下负2/3的2/3次方=(2/3)^(1/3)+(8*2)^(1/4)+(2^√3*√3)^6-(2/3)^(1/3)=1+27*2^(6√3)
(1)0.25^(-2)+(8/27)^(-1/3)-1/2lg16-2lg5+(1/2)^0 =16+1.5-2lg2-2lg5+1=18.5-2(lg2+lg5)=18.5-2lg(2*5)=16.5
(2)1.5^(-1/3)×(-7/6)^0+8^(1/4)×2的根号4次方+(2的根号3次方*根号3)^6-根号下负2/3的2/3次方=(2/3)^(1/3)+(8*2)^(1/4)+(2^√3*√3)^6-(2/3)^(1/3)=1+27*2^(6√3)