Задания 19.1

Теория 19 – 00:00 19.1 – 48:46 19.2 – 01:16:16 19.3 – 01:44:49 19.4 – 02:26:25 19.5 – 02:55:07 19.6 – 03:18:43 19.7 – 03:43:22