单项选择题
A.黄 B.红 C.绿 D.紫
1/2,1,4/3,19/12,()A.133/60B.137/60C.107/60D.147/60
单项选择题1/2,1,4/3,19/12,()
A.133/60 B.137/60 C.107/60 D.147/60
2,12,121,1121,11211,()A.11121B.11112C.112111D.111211
单项选择题2,12,121,1121,11211,()
A.11121 B.11112 C.112111 D.111211
1,2,2,3,4,()A.4B.5C.6D.7
单项选择题1,2,2,3,4,()
A.4 B.5 C.6 D.7