Составить систему уравнений по условию задачи. Решить систему методом алгебраического сложения.
1 month ago 00:22:00 1
1 month ago 00:54:42 1
2 months ago 00:05:06 1
3 months ago 00:18:18 1
3 months ago 00:01:00 1
3 months ago 00:03:08 2
3 months ago 00:21:59 1
3 months ago 00:02:08 1
3 months ago 00:32:53 1
3 months ago 00:01:36 1
3 months ago 00:01:09 1
3 months ago 01:23:13 1
4 months ago 00:14:07 5
4 months ago 00:12:57 1
4 months ago 00:00:50 1
4 months ago 01:38:00 2
4 months ago 00:09:57 1
4 months ago 00:35:21 2
4 months ago 01:03:25 1
4 months ago 00:10:43 1
4 months ago 00:35:01 1
4 months ago 00:35:21 4
4 months ago 00:45:27 1
4 months ago 00:47:35 1
