Пошаговое объяснение:
(3/4 : 3 + 11/8)*4 = (4 +11/8)*4 = (3 8/8 + 11/8)*4 = (3 8/8 + 1 3/8)*4 = (4 11/8)*4 = 43/8*4 = 21 1/2
Пошаговое объяснение:
(3/4 : 3 + 11/8)*4 = (4 +11/8)*4 = (3 8/8 + 11/8)*4 = (3 8/8 + 1 3/8)*4 = (4 11/8)*4 = 43/8*4 = 21 1/2