lg8+lg125-lg2-lg5/log以5为底4的对数*log以2为底5的对数,+5*log以5为底2的对数+16ˆ3/4= 3lg2+3lg5-lg2-lg5/2*log以5为底2的对数*log以2为底5的对数+2+(2ˆ4)ˆ3/4 =3-1/2+2+8=11 2是怎样算出来的?

问题描述:

lg8+lg125-lg2-lg5/log以5为底4的对数*log以2为底5的对数,+5*log以5为底2的对数+16ˆ3/4
= 3lg2+3lg5-lg2-lg5/2*log以5为底2的对数*log以2为底5的对数+2+(2ˆ4)ˆ3/4 =3-1/2+2+8=11 2是怎样算出来的?