21ƫʩ\lr}Hֵָļָ(B)
Aֲƫ
Bƫ̶
Cƫ
Dƫ
22Ԃ㹤Mõõļ?D)
A?BR>Bֱӷ÷
Cӷ÷
Dʷ÷
23չOԭؼָO(A)СĹ
Ar
Br
Cr
Dr
24prDУ(C)ʾr?BR>A
B
C
D?
25ijλĿȿٿcᣬȷۻμӵλΪ?е(A)
Aʩ
Bʩ
Cʩ
Dôʩ
26ij̼OAijr5eʱ?eʱ?Aʽ13ek̼O(D)?BR>A13
B8
C9
D5
27prO(A)߶ȱlO
Ar
BͶʽ
Cʩ
Dʩ
28ʩУҪʩʵʩΪDzúͽܵ~?C)
Aʩ
Bʩ
Côʩ
Dͬʩ
29ʩĿʩ?C)ȫH
Aӳィ?BR>BʩA?
CͶFοʼĿ
DʽĿ
30йOpDfУ_(A)
ApDһʼԑһKԑ
BpDһʼԑͶKԑ
CpDжʼԑһKԑ
DpDжʼԑͶKԑ