1A,2A,3D,4A,5D,6A,7C,8D,9B,10C,11C,12C,13D,14A,15D,16B,17A,18A,19A,20A
1A,2A,3D,4A,5D,6A,7C,8D,9B,10C,11C,12C,13D,14A,15D,16B,17A,18A,19A,20A
1B,2B,3D,4B,5C,6B,7A,8A,9A,10D,11A,12A,13B,14C,15C,16C,17A,18D,19A,20A
DADAD
ACDBC
CCDAD
BAAAA
BBDBC
BAAAD
AABDC
CADCA
CADBA
ACDDA
DCCDB
CDACA
DABBD
AABBA
CAAAD
CAACB
16C
3D
8A
12A
14C
18D
1A,2D,4C,5A,6A,7D,9B,10A,11B,13A,15D,16D,17D,19B20B
1.D/B3.C/A5C/D8B/C9B/A11B/C13B/A14C/B17A/C18B/C
6A
7C
10A
15B
16C
19C
2A
4B
12C
20A
作业2
20题15*9000=135000,153000-135000=18000
1-5ADBBD 6-10AABBA 11-15CAAAD
16-20CABCB
作业一
1-3CBA
6-7DA
9A 13-15CBD
16D 17-20AAB