0.25^(-1)*(根号3/2)^(1/2)*(27/4)^(1/4)+log2(1/5)*log3(1/8)*log5(1/9)
问题描述:
0.25^(-1)*(根号3/2)^(1/2)*(27/4)^(1/4)+log2(1/5)*log3(1/8)*log5(1/9)
答
0.25^(-1)*(根号3/2)^(1/2)*(27/4)^(1/4)=(1/4)^(-1)*(3/4)^(1/4)*(27/4)^(1/4)=4*3/2=6
log2(1/5)*log3(1/8)*log5(1/9)=(-lg5/lg2)(-lg8/lg2)(-lg9/lg2)=-6
所以结果为0