Советская задача 50-х годов
Мой канал в VK —
Найди сумму шести дробей: (1/20) (1/30) (1/42) (1/56) (1/72) (1/90) = ?
3 years ago 00:03:57 57
1 year ago 00:03:53 19
3 years ago 00:11:21 333
5 years ago 00:48:16 79
10 months ago 00:03:27 1
1 year ago 00:11:14 1
1 year ago 00:04:52 1
1 year ago 00:08:54 1
1 year ago 00:04:06 1
5 years ago 00:09:22 11
1 year ago 00:02:22 1
2 years ago 00:03:04 12
2 years ago 00:04:19 1
11 years ago 00:01:58 24
4 years ago 02:07:37 126
8 months ago 00:06:25 1
10 years ago 00:06:45 121
11 months ago 00:05:07 1
7 years ago 01:50:10 59
7 years ago 02:25:03 2
2 years ago 00:18:40 166
7 months ago 00:05:05 1
11 years ago 00:05:23 25
7 months ago 02:08:30 1
