Question

Помогите, пожалуйста!

12 - (2 1/2+4 2/3-1 2/6)

Answer 1

12 - (2 1/2 + 4 2/3 - 1 2/6) = 12 - (5/2 + 14/3 - 8/6) =

12 - (15/6 + 28/6 - 8/6) = 12 - 35/6 = 12 - 5 5/6 = 6 1/6;