(log2的5次幂+log4的5分之1次幂)(log5的2次幂+log25的2分之1次幂)

问题描述:

(log2的5次幂+log4的5分之1次幂)(log5的2次幂+log25的2分之1次幂)

[log2(5)+log4(1/5)][log5(2)+log25(1/2)]
=[lg5/lg2-lg5/2lg2][lg2/lg5-lg2/2lg5]
=(lg5/2lg2)(lg2/2lg5)
=1/4