ГДЗ по математике 6 класс Ерина Никольский рабочая тетрадь Часть 1, 2 Часть 1 | Страница 67

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

\[\textbf{а)}\ A(4);C( - 2);M(5);G( - 4);\]

\[B( - 6);D(6);E(2);K( - 7).\]

\[\textbf{б)}\ KC = 7 - 2 = 5\]

\[AM = 5 - 4 = 1\]

\[EK = 2 + 7 = 9\]

\[GK = 7 - 4 = 3\]

\[GB = 6 - 4 = 2\]

\[ED = 6 - 2 = 4\]

\[MC = 2 + 5 = 7\]

\[ME = 5 - 2 = 3\]

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

\[OB = 4;\ \ OA = 6;\]

\[BC = 1;\ \ \ BD = 9;\]

\[AD = 1.\]

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

\[\textbf{а)}\ \frac{112}{154} = \frac{8}{11}\]

\[\textbf{б)}\ \frac{85}{187} = \frac{5}{11}\]

\[\textbf{в)}\ \frac{144}{216} = \frac{2}{3}\]

\[\textbf{г)}\ \frac{65}{104} = \frac{5}{8}\]

\[\textbf{д)}\ \frac{180}{216} = \frac{5}{6}\]

\[\textbf{е)}\ \frac{124}{155} = \frac{4}{5}\]