Question

Помогите !!!!!!!!!!!

Answer 1

Відповідь:

1)2  3/4 -1 */4= 3 5/6 -2 5/6

2 3/4 -1 */4 = 1

1*/4 = 2 3/4 -1

1*/4 = 13/4\

*=3

2)*5/9-6 7/9=8/9+6/9+2/9

*5/9+6 7/9 =16/9=1  7/9

*5/9 = 1  7/9 - 6 7/9

* 5/9 = -5

* = 4

3)*=1