(6 5/8-1/2-(5 3/4-2 1/6)+(9 5/8-7 1/3 помогите пожаусто
(6 5/8 - 1/2) - (5 3/4 - 2 1/6)+(9 5/8 - 7 1/3)=6 5/8 - 1/2 - 5 3/4 + 2 1/6+9 5/8 - 7 1/3=6 5/8 - 4/8 - 5 6/8+9 5/8 +2 1/6 - 7 2/6=10 - 5 1/6=4 5/6