Решебник по математике 6 класс Ерина Никольский рабочая тетрадь Часть 1, 2 Часть 1 | Страница 39

\[\mathbf{Страница\ 39.}\]

\[\boxed{\mathbf{9.}}\]

\[\textbf{а)}\ 7\]

\[\textbf{б)}\ 7\]

\[\textbf{в)}\ 15\]

\[\textbf{г)}\ 41\]

\[\textbf{д)}\ 0\]

\[\textbf{е)}\ 11\]

\[\boxed{\mathbf{10.}}\]

\[\textbf{а)} - 15\ и\ 15\]

\[\textbf{б)} - 26\ и\ 26\]

\[\textbf{в)} - 8\ и\ 8\]

\[\textbf{г)}\ 0\]

\[\textbf{д)} - 1\ и\ 1\]

\[\textbf{е)} - 63\ и\ 63\]

\[\boxed{\mathbf{11.}}\]

\[\textbf{а)}\ |5| = 5\ \]

\[\textbf{б)}\ | - 4| = 4\]

\[\textbf{в)}\ | - 5| > 4\]

\[\textbf{г)}\ | - 3| > - 1\]

\[\textbf{д)}\ | - 7| > 0\]

\[\textbf{е)}\ 1 < | - 4|\]

\[\boxed{\mathbf{12.}}\]

\[\textbf{а)}\ | - 7| + | + 5| + | - 13| + | - 9| =\]

\[= 7 + 5 + 13 + 9 = 34\]

\[\textbf{б)}\ | - 11| + | - 1| - | - 2| + | - 6| =\]

\[= 11 + 1 - 2 + 6 = 14\]

\[\textbf{в)}\ | + 11| + | - 3| - |9| + | - 9| =\]

\[= 11 + 3 - 9 + 9 = 14\]

\[\textbf{г)}\ | - 8| + | - 2| - | - 7| + | - 3| =\]

\[= 8 + 2 - 7 + 3 = 6\]

\[\boxed{\mathbf{13.}}\]

\[\textbf{а)}\ |x| = 5\]

\[x = + 5;\ \ x = - 5.\]

\[Ответ:\ + 5;\ - 5.\]

\[\textbf{б)} - y = - 6\]

\[y = 6.\]

\[Ответ:6.\]

\[\textbf{в)} - a = 10\]

\[a = - 10.\ \]

\[Ответ:\ - 10.\]

\[\textbf{г)}\ |x| = 0\]

\[x = 0.\]

\[Ответ:0.\]

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