$%log_\frac{1}{3}\frac{2-3x}{x}>-1<=>$%$%\left\{ \begin{aligned} \frac{2-3x}{x}>0,\\ \frac{2-3x}{x}<3,\\ \end{aligned} \right.<=>$%$%\left\{ \begin{aligned} 0< x < \frac{2}{3},\\ x < 0 или x > \frac{1}{3},\\ \end{aligned} \right.<=>\frac{1}{3}< x< \frac{2}{3}.$% отвечен 4 Июл '12 11:24 Anatoliy |