Question

помогите решить плиз!! все!!!

Answer 1

1/2/3/4=1/2:3/4=1/2*4/3=2/3
5/12/2/3=5/12*3/2=5/8
4/9/2/3=4/8*2/3=4/12=3
8/15/4/5=8/15*5/4=2/3
2/5/6/25=2/5*25/6=5/3
3/8/1/4=3/8*4/1=3/2=1 1/2