\[\boxed{\mathbf{2.}\mathbf{346}\mathbf{.\ ОК\ ГДЗ - домашка\ на\ }5}\]
\[\textbf{а)}\ a < 0,7\]
\[a = 0,1;0,22;0,3;0,45.\]
\[\textbf{б)}\ 3 < b < 5\]
\[b = 4;4,1;4,23;4,7.\]
\[\textbf{в)}\ 8\frac{1}{2} < c < 9\frac{1}{7}\]
\[8\frac{7}{14} < c < 9\frac{2}{14}\]
\[c = 8\frac{9}{14};\ 8\frac{11}{14};\ 8\frac{13}{14};9.\]
\[\textbf{г)}\ 0,2 < d < 0,3\]
\[d = 0,21;\ \ 0,23;0,25;0,27.\]