答案:
1.85179031
2.84733021
3.25151200
4.29291010
5.29291030
6.38249090
7.85459000
8.20059040
9.90189020
10.90251100
11.32064210
12.08062000
13.02032900
14.19022000
15.72021100
16.85175039
17.15111000
18.27101999
19.34051000
20.85163300
21.85166090
22.85161000
23.28251010
24.65061000
25.02082000
26.20081990
27.08024010
28.08119010
29.61178000
30.44121300
31.85407100
32.61172000
33.39262000
34.62104000
35.84212300
36.84213100
37.83017000
38.84833000
39.71171900
40.87112000