Ответ:

Пошаговое объяснение:

Номер 2

А)

1/24 * 18 = 18/24 = 3/4

Б)

35 * 3/70 = 1 * 3/2 = 3/2 =

1. 1/2

В)

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

3. 3/4

Г)

144 * 15/48 = 3 * 15/1 = 45/1 = 45

Д)

25 * 3/5 = 75/5 = 15

Е)

17/21 * 6/51 * 14 =

1/7 * 2/3 * 14 = 2/21 * 14 = 28/21 = 4/3 = 1. 1/3

Ж)

45/77 * 49/81 = 5/11 * 7/9 = 35/99

З)

23/64 * 16/46 * 32 =

1/4 * 1/2 * 32 = 1/8 * 32 = 32/8 = 4

2 задание (сам просил хотя бы одно задание)

А)  

1/24 * 18 = 18/24 = 3/4

Б)  

35 * 3/70 = 1 * 3/2 = 3/2 =   1. 1/2

В)  

5/16 * 12 = 5/4 * 3 = 15/4 =  3. 3/4

Г)  

144 * 15/48 = 3 * 15/1 = 45/1 = 45

Д)  

25 * 3/5 = 75/5 = 15

Е)  

17/21 * 6/51 * 14 =  1/7 * 2/3 * 14 = 2/21 * 14 = 28/21 = 4/3 = 1. 1/3

Ж)  

45/77 * 49/81 = 5/11 * 7/9 = 35/99

З)  

23/64 * 16/46 * 32 =  1/4 * 1/2 * 32 = 1/8 * 32 = 32/8 = 4