\[\boxed{\mathbf{642\ (642).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ Р\ (12) = \frac{1}{23}\]
\[2)\ Р\ (24) = 0\]
\[3)\ Р\ (А) = \frac{11}{23};\ \]
\[(2,\ 4,\ 6,\ 8,\ 10,\ 12,\ 14,\ 16,\ 18,\ 20\ ,22)\]
\[4)\ Р\ (А) = \frac{12}{23};\ (23 - 11 = 12)\]
\[5)\ Р\ (А) = \frac{7}{23};\ \ \ \]
\[(3,\ 6,\ 9,\ 12,\ 18,\ 21,\ 15)\]
\[6)\ Р\ (А) = \frac{3}{23};\ \ \ (7,\ 14,\ 21)\]
\[7)\ Р\ (А) = \frac{14}{23};\ \ \ (23 - 9 = 14)\]
\[8)\ Р\ (А) = \frac{9}{23};\ \ \ \]
\[(2,\ 3,\ 5,\ 7,\ 11,\ 13,\ 17,\ 19,\ 23)\]
\[9)\ Р\ (А) = \frac{2}{23};\ \ (9,\ 19)\]
\[10)\ Р\ (А) = \frac{12}{23};\ \ \ \]
\[(1;\ 10 - 19;\ 21)\]
\[11)\ Р\ (А) = \frac{21}{23};\ \ \]
\[(5;\ \ 15;\ \ 23 - 2 = 21)\]
\[12)\ Р\ (А) = \frac{3}{23};\ \ \ (5;14;23)\]
\[13)\ Р\ (А) = \frac{2}{23};\ \ \ (12;19)\]
\[14)\ Р\ (А) = \frac{11}{23};\ \ \ \]
\[(23 - 12 = 11)\]