>>78の訂正
> (2/{(35)^3-2})^3+(3/{(35)^3-2})^3=(2/{(35)^3-2}+1)^3

(2/{(35)^(1/3)-2})^3+(3/{(35)^(1/3)-2})^3=(2/{(35)^(1/3)-2}+1)^3
x:y=2:3