把一條直線分為2部份:短的一分為1,另一份長的為x。直線總長即(1+x)米。 x/(1+x) = 1 /x x2 - x- 1= 0 x = 1.618 或 -0.618 But I don't know, in the case on your poem, what x is and what x+1 is..hahaha.我在瞎說。