ՎարԺ.92
ա)log3 (x+1)+log3 (x+3)=1=0
բ)log9 (x+1)+log9 (x-1)=0=5
գ)2log2 (x-5)+log2 (x+2)=6
գ)3lg(x-sqrt(3))+lg(x+sqrt(3))3 =0=2
Վարժ.93
ա)log1/3 x+2log1/9 (x+8)=log1/3 (2x-1)-2=1.9
բ)log2 (x-3)+log8 x3 +log0.5 (2x-5)=1=5
գ)2log25 (2x+5)-log0.2 (x-1)=logsqrt(5) (4x-5)=2
Վարժ.94
ա)1/lg10x+6/lgx+5=1=0.01
բ)1/5-lg(x-1)+2/lg10(x-1)=101,1001
գ)1/log2 16x+1/1-log4 x=1=0.8
դ)5/lg100x-1/log0.1 x+6=1=100,10
ՎարԺ.95
ա)log32 x-2log3 x-3=0=1/3,27
բ)lg2 (x-1)-2lg(x-1)+1=0=11
գ)3log62 x-4log6 36x+1=0=67/3
դ)4log42 -2log2 x+1=0=2
ՎարԺ.96
ա)lg(10x2 )*lg(100x)=9=10,10-3.5
բ)lg2 (10x2 )+lg2 (0.1x)=9=10.101/2
գ)log3 (3x2 )*log3 x3 /9=20=9
դ)log2 (2x)*log2 x/4=4=0.25
ՎարԺ.97
ա)log16 (4x+5)*logx 4=1=5
բ)log9 (3x+4)*logx 3=1=4
գ)logx 81x2 *log9 sqrt(x)=3=81
դ)logx x3 /32*log16 x=2=9