Question

15/16:5/8*1 1/9

13/14:1 4/21:13/5​

Answer 1

Ответ:

Пошаговое объяснение:

№1

15/16 : 5/8 * 1 1/9 = 1 2/3

1) 15/16 : 5/8 = 15/16 * 8/5 = 3/2 * 1/1 = 3/2 = 1 1/2

2) 1 1/2 * 1 1/9 = 3/2 * 10/9 = 1/1 * 5/3 = 5/3 = 1 2/3

№2

13/14 : 1 4/21 : 13/5​ = 3/10

1) 13/14 : 1 4/21 = 13/14 * 21/25 = 13/2 * 3/25 = 39/50

2) 39/50 : 13/5 = 39/50 * 5/13 = 3/10 * 1/1 = 3/10