2 1) log3 x+log3 x-2=0; x+2 x 3 - 4*3 =45; 2x-1 2)(1/3) >= 81; log4(3x+6) < log4 (x+12); 2 3) lg(5lg100) ; -4 -0.25 -0.5 -2 4)0.5 [ (6/5) ] * (0.36) * (0.1);