Question

Помогите пожалуйста !​

Answer 1

Ответ: решения на картинке

Пошаговое объяснение:

Answer 2

Пошаговое объяснение:

1.

5/7:15/28:2/9=5/7•28/15•9/2=

=1/1•4/3•9/2=2/1•3/1=6

2) 6/11:8/33:8/27=6/11•33/8•27/8=

=3/1•3/4•27/8=9/4•27/8=243/32=7 19/32

3) 14/25:42/55:44/45=14/25•55/42•45/44=

=1/5•11/3•45/44=11/15•45/44=1/1•3/4=3/4

4) 5:20/39:65/72=5•39/20•72/65=

=1/1•39/4•72/65=3/1•18/5=54/5=10 4/5

5) 7:63/80:110/117=7•80/63•117/110=

=1/1•80/9•117/110=8/1•13/11=104/11=9 5/11

6) 13:52/57:95/96=13•57/52•96/95=

=1/1•57/4•96/95=57/1•24/95=3/1•24/5=

=72/5=14 2/5

7) 2 1/4:3/8:1/2=9/4•8/3•2/1=3/1•2/1•2/1=

=6/1•2/1=12

8) 1 1/9:1 13/27:63/64=10/9:40/27•64/63=

=10/9•27/40•64/63=1/1•3/4•64/63=

=1/1•16/21=16/21

9) 1 1/2:1 1/4:1 2/3:1 1/5=3/2:5/4:5/3:6/5=

=3/2•4/5•3/5•5/6=3/1•2/5•1/1•1/2=

=6/5•1/2=3/5•1/1=3/5