§ Задание 71
\[\boxed{\mathbf{4.}\mathbf{71}}\]
\[\textbf{а)}\ A(3);A( - 3).\]
\[\textbf{б)}\ A(7,2);A( - 7,2).\]
\[\textbf{в)}\ A\left( 1\frac{2}{5} \right);A\left( - 1\frac{2}{5} \right).\]
\[\textbf{г)}\ A(0).\]
\[\boxed{\mathbf{4.}\mathbf{71}}\]
\[\textbf{а)}\ A(3);A( - 3).\]
\[\textbf{б)}\ A(7,2);A( - 7,2).\]
\[\textbf{в)}\ A\left( 1\frac{2}{5} \right);A\left( - 1\frac{2}{5} \right).\]
\[\textbf{г)}\ A(0).\]