作业四
1C.
3.7.8 A
2.5.6.9.10 B
13.14 全
6 20 A 1 4 7 12 14 15 16 18 20 b
21 CD 22 ABC 24 BCD 26 ABC 27 BCD
29 ABCD 30 AC
1 1 2 2 2 1 2 2 2 1
6.20A
1.4.7.12.14.15.16.18 B
28.29.ABCD
23.24.25.27 bcd
31.32..36.40 √
6 20 A 1 4 7 12 14 15 16 18 20 b
21 CD 22 ABC 24 BCD 26 ABC 27 BCD
29 ABCD 30 AC
1 1 2 2 2 1 2 2 2 1
6.20A
1.4.7.12.14.15.16.18 B
28.29.ABCD
23.24.25.27 bcd
31.32..40 √
6 20 A 1 4 7 12 14 15 16 18 20 b
21 CD 22 ABC 24 BCD 26 ABC 27 BCD
29 ABCD 30 AC
1 1 2 2 2 1 2 2 2 1
6.20A
1.4.7.12.14.15.16.18 B
28.29.ABCD
23.24.25.27 bcd
31.32..40 √