Question

Пожалуйста решите пример

Answer 1

1) 2/5 - 6,6 = 2/5 - 66/10 = 2/5 - 33/5 = -31/5
2) -1 1/4 - 1 1/3 = -1 3/12 - 1 4/12 = - 2 7/12
3) -31/5 : (-2 7/12) = 31/5 : 31/12 = 31/5 * 12/31 = 12/5 = 2,4