Решите уравнение 5 1/3 - (х + 2 5/6) = 1
Х + 2 5/6 = 5 1/3 -1 = 16/3 - 1 = 13/3 х = 13/3 - 5 1/3 = 13/3 - 17/6 - 2 5/6 = 13/3 - 17/6 = 3/2 = 1 1/2