Question

а) ( 1/2 : 3/4 - 4/9) : 3/5

Answer 1

1)1/2:3/4=2/3 2)2/3-4/9=2/9 3)2/9:3/5=20/27 Ответ:20/27

Answer 2

2/9*5/3=10/27

Answer 3

а) ( 1/2 : 3/4 - 4/9) : 3/5= (1/2*4/3-4/9)*5/3= (2/3-4/9)*5/3= (6/9-4/9)*5/3= 2/9*5/3=10/27

Answer 4

спс

Answer 5

Нзч