Question

ПОМОГИТЕ ПОЖАЛУЙСТА ПРОШУ ВАС​

Answer 1

1. 3/4:5/7= 3/4*7/5= 21/20

5/18:25/27= 5/18*27/25= 3/10

2. 8:4/5= 1/8*4/5= 1/10

1:7/16=16/7

8/15:24= 8/15*1/24= 1/72

12 1/2:3 3/4= 25/2 : 15/4= 10/3

3. 2 1/4: 3/8: 1/2= 9/4*8/3:1/2= 9/4*8/3*2= 3/4*8*2= 3*2*2= 12

2 1/4:(3/8:1/2)= 9/4:(3/8*2)= 9/4:3/4= 9/4*4/3= 3

4. 6/5х=3/5

х= 3/5*5/6

х= 1/2

.

4/7х=1

х= 1/1*7/4

х=7/4

.

3/4х=12

х=12/1*4/3

х=16

.

3х=2/3

х=2/3*1/3

х=2/9