На проценты. Сколько книг художественных?
Принцип составление пропорции. Простая задача на проценты в одно действие
2 days ago 00:04:32 1
2 weeks ago 00:22:36 2
2 weeks ago 00:24:26 2
2 weeks ago 01:25:50 1
2 weeks ago 00:00:17 1
2 weeks ago 00:38:37 1
2 weeks ago 00:00:00 1
2 weeks ago 00:17:26 1
3 weeks ago 00:06:26 1
3 weeks ago 01:10:06 1
3 weeks ago 00:10:11 1
3 weeks ago 00:24:15 1
3 weeks ago 00:32:43 1
3 weeks ago 00:04:49 1
3 weeks ago 00:00:41 1
4 weeks ago 00:00:25 1
4 weeks ago 00:48:56 4
1 month ago 00:04:32 1
1 month ago 00:41:06 1
1 month ago 00:02:16 1
1 month ago 00:04:22 8
2 months ago 00:06:22 1
2 months ago 01:15:10 1
2 months ago 01:03:36 1
