1㏒₁/₂ 16= ㏒₁/₂ 2⁴ = -4
㏒₃ 1/27 =㏒₃3⁻³ =-3
2) 5^(1+㏒₅3)=5*5^(㏒₅3)=5*3=15
(1/3)^(2㏒₁/₃7)= (1/3)^(㏒₁/₃7²) =49
3) ㏒₃ 135 - ㏒₃ 20 +2㏒₃ 6= ㏒₃ 135 :20 *6² = ㏒₃ 243 =㏒₃ 3⁵=5
4) ㏒₅(2х-1)=2 5) ㏒₄(2х+3)=3
2х-1=5² 2х+3=4³
2х-1=25 2х+3=64
2х=26 2х=64-3
х=13 2х=61 х=30,5
6) ㏒₁/₃ (х-5)>1 1/3<1 ОДЗ х-5>0 x>5
x-5<(1/3)¹<br> x<1/3 -5<br> x< -4 2/3