4 задачи на проценты,которые не решат 80% электората
Математика решаем устно задачки на проценты
11 months ago 00:57:38 1
11 months ago 00:20:26 1
11 months ago 00:17:05 1
11 months ago 01:32:49 1
11 months ago 00:37:45 1
11 months ago 00:12:42 1
11 months ago 01:00:31 1
11 months ago 00:07:49 1
11 months ago 00:05:37 1
11 months ago 00:12:35 1
11 months ago 01:25:33 1
11 months ago 00:12:16 1
11 months ago 00:26:43 1
11 months ago 00:34:57 1
11 months ago 00:00:21 1
11 months ago 00:21:58 1
11 months ago 00:02:10 1
11 months ago 00:35:57 1
11 months ago 00:11:06 1
11 months ago 00:11:57 1
11 months ago 02:00:12 1
11 months ago 03:15:15 1
11 months ago 00:08:13 1
11 months ago 00:26:28 1
