Задания 18.1

Теория 18 – 00:00 18.1 – 47:46 18.2 – 01:04:35 18.3 – 01:21:50 18.4 – 01:35:27 18.5 – 02:13:00 18.6 – 02:34:43 18.7 – 02:53:33 18.8 – 03:23:00