-1; Neverno \\ 3)-5<\frac{1}{5}; Verno \\ 4)25<-1; Neverno" alt="b_{2}=\frac{125}{-5}=-25 \\ b_{3}= \frac{-25}{-5}=5 \\ b_{4}= \frac{5}{-5}=-1 \\ b_{5}=\frac{1}{5} \\ 1)25<5, Neverno \\ 2)-5>-1; Neverno \\ 3)-5<\frac{1}{5}; Verno \\ 4)25<-1; Neverno" align="absmiddle" class="latex-formula">