log2(50)-2log2(5)

问题描述:

log2(50)-2log2(5)
已知log6 2=0.3869,求log6 3

log2(50)-2log2(5)
=log2(50)-log2(5) ²
=log2(50/25)
=log2(2)
=1
log6 3
=log6 6-log6 2
=l -0.3869
=0.6131