2 log410=log4102=log4100
(3/4)· log481=log4813/4=
=log4(811/4)3=log433=log427
(2/3)·log4125 =log41252/3=log4(53)2/3=
=log452=log425
2 log4 10+3/4 log4 81–2/3log4 125=
=log4100+log427–log425=log4(100·27/25) =
=log4108
log4x=log4108
x=108
О т в е т. 108