T = (28/91 x 6/7) / (8/13T = (168/637) / (8/13T = (168/637) x (13/8T = 2184 / 505T = 273 / 632
Ответ: T = 273 / 632
T = (28/91 x 6/7) / (8/13
T = (168/637) / (8/13
T = (168/637) x (13/8
T = 2184 / 505
T = 273 / 632
Ответ: T = 273 / 632