Решебник по математике 4 класс Петерсон рабочая тетрадь Часть 1, 2, 3 Часть 1 | Страница 18

\[\boxed{Страница\ 18.}\]

\[\boxed{\mathbf{1.}}\]

\[5 < x < 10\]

\[\boxed{\mathbf{2.}}\]

\[\textbf{а)}\ 10 < m \leq 16\]

\[m > 10\ и\ m \leq 16\]

\[\textbf{б)}\ 12 < n < 20\]

\[n > 12\ и\ n < 20\]

\[\textbf{в)}\ 4 \leq k \leq 11\]

\[k \geq 4\ и\ k \leq 11\]

\[\textbf{г)}\ 7 \leq t < 13\]

\[t \geq 7\ и\ t < 13\ \]

\[\boxed{\mathbf{3.}}\]

\[\textbf{а)}\ 10 \leq x < 15\]

\[\textbf{б)}\ 23 < y \leq 27\]

\[\textbf{в)}\ 7 \leq z \leq 16\]

\[\textbf{г)}\ 4 < c < 7\]

\[\boxed{\mathbf{4.}}\]

\[1 < x < 6\]

\[x = \left\{ 2;3;4;5 \right\}.\]

\[2 \leq x \leq 5\]

\[x = \left\{ 2;3;4;5 \right\}.\]

\[Неравенства\ имеют\ одинаковое\ \]

\[решение.\]

\[\boxed{\mathbf{5.}}\]

\[2 \leq x \leq 9\]

\[2 \leq x < 10\]

\[1 < x \leq 9\]

\[1 < x < 10\]

\[\boxed{\mathbf{6.}}\]

\[A = \left\{ 130;\ 202;\ 310 \right\}.\]