Вычислите: 2 3/4 · (1 1/3 + 1/6).

1 1/3 + 1/6 = 4/3 + 1/6 = 8/6 + 1/6 = 9/6 = 3/2

2 3/4 · 3/2 = 11/4 · 3/2 = 33/8

33/8 = 4 1/8