我自己建筑经济的答案,不知有几个是对的,请指正,多谢!
01BCDC A BCAAA 11 DCDCD BACBC 21 ADBBA BCCBA 31 ACBCB AAACD 41BADBB D CDAD 51 ACDAB CCAAB 61BD,AB,ACE,BCE,CE,CD,BCD,ABD,BD,AD, 71 AB,ABC,BD,BCD,BDE,BCE,ABCE,AB,BE,BC, 81 C,D,C,A,ABD,ABC,ACD,A,C,D, 91 AD,ABD,B,B,ABD,AD,ABCD,A,D,C,