Номер 8:
А - 1, В - 3, С - 4
Номер 9:
(2/3-1 1/24)*5 1/3 + 4 3/8 : 2 5/8 = (16/24 - 25/24)*5 1/3 + 5/3 = -9/24 * 16/3 + 5/3 = -2 + 5/3 = - 1 3/3 + 1 2/3 = -1/3
Номер 8:
А - 1, В - 3, С - 4
Номер 9:
(2/3-1 1/24)*5 1/3 + 4 3/8 : 2 5/8 = (16/24 - 25/24)*5 1/3 + 5/3 = -9/24 * 16/3 + 5/3 = -2 + 5/3 = - 1 3/3 + 1 2/3 = -1/3