Решите пжл по картинке!
1. 27(x-a)/18(x-a)= 3/2
10ap/25ap2=2/5p
a2m3/abmn=am2/bn
2. x/a-y/a=x-y/a
cm/b+dn/b= cm+dn/b
x-ay/c*y - x-by/c*y= -ay-by/c*y
5. x/4y*8y/11x= 2/11
a9/8b8*10b10/a11= 5b2/a2
3a/7b:6a/35b= 3a/7b*35b/6a=5b/2a