Question

1, 4 и 5 помогите решить

Answer 1

1) 75/100=3/4=15/20=750/1000

Answer 2

1.75/100=3/4=15/20=150/200=750/1000
4. 7/15=1/2
2/17=1/10
10/13=4/5
43100=1/2
7/20=1/3
63/70=1
19/20=1
1/12=1/10
17/80=1/5
47/90=1/2
15/23=3/5
97/99=1
5.51/57=17/19