A.19/30
B.43/40
C.77/60
D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50
[单选题]1/3,1/2,7/10,19/20,( )。A.19/30B.43/40C.77/60D.59/50