Log4x=2log4 10+3/4log4 81-2/3log4 125

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 log 4 81-2/3log 4 125=

=log4100+log427-log425=log4 (100·27/25) =

=log4108

log4x=log4108

x=108

О т в е т. 108