помогите 80 балов пжж​

Ответ:

16

Пошаговое объяснение:

1) 3/8 : 2/7 = 3/8 * 7/2 = 21/16

2) 21/16 * 5/9 = 7/16 * 5/3 = 35/48

3) 5/8 * 2/24 = 5/4 * 1/24 = 5/96

4) 35/48 : 5/96 = 35/48 * 96/5 = 7/1 * 2/1 = 14/1 = 14

5) 14 * 1 1/7 = 14 * 8/7 = 2 * 8/1 = 16/1 = 16

Ответ:

Пошаговое объяснение:

(( 3/8 : 2/7 * 5/9) : (5/8 * 2/24)) * 1 1/7 = 16

1) 3/8 : 2/7 = 3/8 * 7/2 = 21/16

2) 21/16 * 5/9 = 105/144 = 35/48

3) 5/8 * 2/24 = 10/192 = 5/96

4) 35/48 : 5/96 = 35/48 * 96/5 = 7 * 2 = 14

5) 14 * 1 1/7 = 14 * 8/7 = 2 * 8 = 16