(4 1/2 - 1 1/2 · 3) : (1 1/6 + 2 4/9) = 0
1) 1 1/2 = 3/2 · 3 = 9/2 = 4 1/2
2) 1 1/6 + 2 4/9 = 1 3/18 + 2 8/18 = 3 11/18
3) 4 1/2 - 4 1/2 = 0
4) 0 : 3 11/18 = 0
ответ: 0.
