obliczenie:
(7/3 - 5/12 + 1 1/2) : (2 3/4 - 5/6) = (28/12 - 5/12 + 1 6/12) : (2 9/12 - 10/12) = (23/12 +1 6/12) : (1 21/12 - 10/12) = 1 29/12 : 1 11/12 = 41/12 : 23/12 = 41/12 : 12/23 = 41/23 = 1 18/23
Miłego dnia
