5/6*(-7,28)-2,72*5/6=

5/6*(-7/28)-2,72*5/6=5/6*(-7,28-2,72)=5/6*(-10)=-50/6=-8 1/3

⁵/₆×(-7,28)-2,72×⁵/₆= ⁵/₆ × ((-7,28)-2,72) = ⁵/₆ × (-10) = -⁵ˣ¹⁰/₆= - ⁵ˣ⁵/₃= - ²⁵/₃= -8¹/₃