把一条直线分为2部份:短的一分为1,另一份长的为x。直线总长即(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.我在瞎说。