3 1/8*1 3/5*4/15*х=2 2/17*3 7/9 * 15/16​

Пошаговое объяснение:

1.

25/8 * 8/5 * 4/15х = 2

5 * 4/15х = 2

4/15х = 2 : 5

4/15х = 2/5

х = 2/5 : 4/15

х = 2/5 * 15/4

х = 1/1 * 3/2

х = 3/2

х = 1 1/2

2.

2/17 * 34/9 * 15/16 =

(2/1 * 2/9) * 15/16 =

4/9 * 15/16 = 1/3 * 5/4 = 5/12