(6,75+(-4,5)×1 2/3)×(-1 1/3)​

Пошаговое объяснение:

(6,75+(-4,5)×1 2/3)×(-1 1/3)=

(6,75+(-9/2)×5/3)×(-4/3)=

(6,75-15/2)×(-4/3)=(6,75-7,5)×(-4/3)=

= - 0,75×(-4/3)= - 75/100×(-4/3)=

= - 3/4×(-4/3)=1