单项选择题
A.4 B.6 C.5 D.0
3/7,5/8,5/9,8/11,7/11,()A.11/14B.10/13C.15/17D.11/12
单项选择题3/7,5/8,5/9,8/11,7/11,()
A.11/14 B.10/13 C.15/17 D.11/12
1,3,15,()A.46B.48C.255D.256
单项选择题1,3,15,()
A.46 B.48 C.255 D.256
63,26,7,0,-1,-2,-9,()A、-18B、-20C、-26D、-28
单项选择题63,26,7,0,-1,-2,-9,()
A、-18 B、-20 C、-26 D、-28