ГДЗ по математике 6 класс Ерина Виленкин рабочая тетрадь Часть 1, 2 Часть 2 | Страница 41

\[Стр.\ 41.\]

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

\[при\ y > - 1.\]

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

\[\textbf{а)} - 1 + ( - 7);\ \ \]

\[\textbf{б)}\ ( - 2,5) + ( - 5,5);\ \ \ \]

\[\textbf{в)}\ \left( - \frac{1}{3}\ \right) + \left( - 7\frac{2}{3} \right).\]

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

\[\textbf{а)}\ ( - 8) + ( - 10);\ \ \]

\[\textbf{б)}\ 3 + ( - 21);\ \ \ \]

\[\textbf{в)} - 21 + 3.\]

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

\[\textbf{а)}\ x - 10 = - 2\]

\[x = - 2 + 10\]

\[x = 8\]

\[Ответ:8.\]

\[\textbf{б)}\ y - 13 = - 37\ \]

\[y = - 37 + 13\]

\[y = - 24\ \]

\[Ответ:\ - 24.\]

\[\textbf{в)}\ y - 46,79 = - 10,5\]

\[y = - 10,5 + 46,79\]

\[y = 36,29\]

\[Ответ:36,29.\]

\[\textbf{г)}\ a - 5\frac{3}{8} = - 10\frac{5}{8}\ \]

\[a = - 10\frac{5}{8} + 5\frac{3}{8}\]

\[a = - 5\frac{1}{4}\]

\[Ответ:\ - 5\frac{1}{4}.\]