Автор - fpolina950
Пошаговое объяснение:
5 * (9/14 + 5/7) - 1 : 3/4 * 75/56 = 5,
1) 9/14 + 5/7 = 9/14 + 10/14 = 19/14 = 1 5/14,
2) 5 * 1 5/14 = 5 * 19/14 = 95/14 = 6 11/14,
3) 1 : 3/4 = 1 * 4/3 = 4/3 = 1 1/3,
4) 1 1/3 * 75/56 = 4/3 * 75/56 = 25/14 = 1 11/14,
5) 6 11/14 - 1 11/14 = 5