Вопрос:

Заполни пропуски: __, 1, __, 3, 4, __, __, 7, 8, __, 10, __; __, 19, __, 17, __, __, __, 13, 12, __.

Ответ:

1) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11.

2) 20, 19, 18, 17, 16, 15, 14, 13, 12, 11.