[2,08(3) - 23/6 - (15/4 - 17/8 - 14/6)] =
= [ ( 2083-208)/900 - 23/6 - (15×6/24-3×17/24 - 4×14/24)] =
= [1875/900 - 23/6 - (90/24 - 51/24 - 56/24)] =
= 75/36 - 23/6 - ( -17/24) =
= 75/36 - 6×23/36 + 17/24 =
= 75/36 - 138/36 + 17/24 =
= - 63/36 + 17/24 =
= - 63×2/72 + 17×3/72 =
= - 126/72 + 51/72 =
= - 75/72 =
= - 1,041(6)
