5/7
Пошаговое объяснение:
(8/4 - 4/7) * 4/8 = (2 - 4/7) * 1/2 = 1 3/7 * 1/2 = 10/7 * 1/2 = 10/14 = 5/7
1) 8/4 - 4/7 = 2 - 4/7 = 1 7/7 - 4/7 = 1 3/7
3) 1 3/7 * 4/8 = 10/7 * 4/8 = 40/56 = 5/7
5/7
Пошаговое объяснение:
(8/4 - 4/7) * 4/8 = (2 - 4/7) * 1/2 = 1 3/7 * 1/2 = 10/7 * 1/2 = 10/14 = 5/7
Пошаговое объяснение:
1) 8/4 - 4/7 = 2 - 4/7 = 1 7/7 - 4/7 = 1 3/7
3) 1 3/7 * 4/8 = 10/7 * 4/8 = 40/56 = 5/7