Question

(12 : 3/5 + 1/2):1 1/2 -3 1/2
пжпжпжжпжпжпжпжж даю много баллов ​

Answer 1

Ответ:

3 3/6..................

Answer 2

Ответ: 5/22

1) 12: 3/5= 4 0/1

12 : 3/5 = 12 5

12·12 + 0 : 3 =

12 5

144 : 3 =

12 5

144 * 5 =

12 3

144 · 5 =

12 · 3

720 =

36

20·36 =

1·36

0 + 20·1 = 20 0/1

2) 20 0/1 + 1/2= 20 1/2

3) 20 1/2 : 11/2= 3 8/11

20 1/2 : 11/2 =

20·2 + 1 : 11 =

2 2

41 : 11 =

2 2

41 * 2 =

2 11

41 · 2 =

2 · 11

82 =

22

41·2 =

11·2

8 + 3·11 =3 8/11

4) 3 8/11-3 1/2= 5/22