1) log(3) x≤log(3) 9; {x≤9
{x>0 (0;9) otvet 2
2)log(0,2) x>log(0,2) (0,2)^(-1)
{x<10/2 (0;5) Otvet 1<br>{x>0
3) log(1/7) (x/2)>log(1/7) ^0
{x>0
{x/2<1 (0;2) Otvet 1<br>4) log(1/4) x>log(1/4) (5x-4)
{x>0; {x>0
{5x-4>0; {x>0,8
x<5x-4 {x>1 x>1; 2-наим. целое Otvet 3