网友版1: 《工程经济 代码63》 1D 2D 3C 4D 5A 6A 7D 8B 9B 10B 11D 12D 13D 14D 15B 16C 17B 18A 19A 20A 21C 22C 23B 24B 25C 26D 27B 28C 29A 30C 31A 32A 33A 34A 35A 36B 37A 38D 39A 40B 41C 42B 43B 44A 45C 46B 47D 48B 49D 50C
1D 2D 3C 4D 5A 6A 7D 8B 9B 10B
11D 12D 13D 14D 15B 16C 17B 18A 19A 20A
21C 22C 23B 24B 25C 26D 27B 28C 29A 30C
31A 32A 33A 34A 35A 36B 37A 38D 39A 40B
41C 42B 43B 44A 45C 46B 47D 48B 49D 50C
51A 52D 53A 54B 55C 56D 57C 58C 59C 60D
61CD 62DE 63AD 64ABE 65AE 66BD 67ABCD 68CD 69ABDE 70BE
71BCD 72CE 73BE 74AC 75BE 76BCE 77CDE 78ABE 79CD 80DE
网友版2: 《工程经济 52卷 》
1-20 DDCDA, CBCCA, DCBBA, BCCAB
21-40 ADDAB, BDBCA, DDBBC, CCACC
41-60 ADACD, ACAAA, DBBBB, CABDA
61-65 ACD, BE, BD, ABCD, CDE
66-70 ABC, ABD, AE, AB, BCDE
71-75 ABC, BDE, DE, ACE, ADE
76-80 AC, AB, BE, ACE, AD