>>143
>合っています

では

a = 2y/(1+p+p^2+p^3+p^4+p^5)、c=2y/(1+p+p^2+p^3+p^4+p^5)/p^5
u = (1+p+p^2+p^3+p^4+p^5)/(1+p)
s = a/c = p^5、v=(u-1)/2 = (p^2+p^3+p^4+p^5)/(1+p)/2
w=(p+p^2+p^3+p^4)/(1+p)/2、z=(1+p+p^2+p^3/(1+p)/2

になりますよね？