\[\boxed{\text{163\ (163).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\ \text{A\ }(3;\ - 3);\]
\[\textbf{б)}\ \text{B\ }( - 2;\ - 1);\]
\[\textbf{в)}\ \text{C\ }(1,5;0,5);\]
\[\textbf{г)}\ \text{D\ }(6;\ - 6).\]