Question

(3 2/3_1 2/7×5 4/9):(-2,5)​

Answer 1

Ответ:          4/3 = 1 1/3.

Пошаговое объяснение:

(3 2/3 - 1 2/7×5 4/9):(-2,5)​ = 1 1/3.

1)  1 2/7×5 4/9 = 9/7 * 49/9 = 7;

2)  3 2/3-7 = -(7-3 2/3) = -(6 3/3 - 3 2/3) = -3 1/3;

3)  - 3 1/3 : (-2.5)= 10/3 : 25/10 = 10/3 * 2/5 = 4/3 = 1 1/3.