2 9/10
Пошаговое объяснение:
3 1/3 + 5 1/6 * 2/5 - 2 3/4 : 11/10
1) 5 1/6 * 2/5 = 31/6 * 2/5 = 31/15
2) 2 3/4 : 11/10 = 11/4 : 11/10 = 11/4 * 10/11 = 5/2
3) 3 1/3 + 31/15 = 3 5/15 + 31/15 = 3 36/15 = 5 6/15
4) 5 6/15 - 5/2 = 81/15 - 5/2 = 27/5 - 5/2 = 54/10 - 25/10 = 29/10 = 2 9/10
