Данила8 лет назад
Расставим действия:
2 1 4 3
55/48 : (11/16 + 3/32) - 14/15 * 5/7 = 4/5.
1) 11/16 + 3/32 = 22/32 + 3/32 = 25/32;
2) 55/48 : 25/32 = 55/48 * 32/25 = 11/6 * 4/5 = 11/3 * 2/5 = 22/15;
3) 14/15 * 5/7 = 2/3 * 1/1 = 2/3;
4) 22/15 - 2/3 = 22/15 - 10/15 = 12/15 = 4/5.