Вычислите: 11/4+5/8-1/2=
1) 11/4 + 5/8 = 22/8 + 5/8 = 27/8 = 3 3/8 2) 3 3/8 - 1/2 = 27/8 - 4/8 = 23/8 = 2 7/8 ответ: 2 7/8