\[\mathbf{Страница\ 56.}\]
\[\boxed{\mathbf{1.}}\]
\[\textbf{а)}\ модуль;модуль;плюс.\]
\[\textbf{б)}\ 1)\ модуль;модуль;\]
\[2)\ минус.\]
\[\textbf{в)}\ нулю.\]
\[\textbf{г)}\ нуль.\]
\[\boxed{\mathbf{2.}}\]
\[\textbf{а)} - 48\ :6 < 0\]
\[32\ :( - 4) < 0\]
\[- 42\ :( - 3) > 0\]
\[16\ :( - 8) < 0\]
\[\textbf{б)} - 72\ :( - 9) > 0\]
\[- 52\ :2 < 0\]
\[81\ :( - 9) < 0\]
\[- 36\ :( - 3) > 0\]
\[\textbf{в)} - 1\ :( - 1) > 0\]
\[5\ :( - 1) < 0\]
\[- 7\ :( - 1) > 0\]
\[0\ :( - 1) = 0\]
\[\boxed{\mathbf{3.}}\]
\[\textbf{а)} - 16\ :2 = - 8\]
\[36\ :( - 4) = - 9\]
\[- 55\ :( - 5) = 11\]
\[12\ :3 = 4\]
\[\textbf{б)} - 6\ :( - 1) = 6\]
\[4\ :( - 1) = - 4\]
\[- 7\ :( - 7) = 1\]
\[- 5\ :5 = - 1\]
\[\textbf{в)}\ 0\ :( - 4) = 0\]
\[- 1\ :( - 1) = 1\]
\[- 6\ :6 = - 1\]
\[7\ :( - 7) = - 1\]