有几个数字推理题,希望有人帮我解答!
157,65,27,11,5,()A4B3C2D1
1,2/3,5/8,13/21()A21/33B35/64C41/70D34/55
14,20,54,76()A104B116C126D144
1,32,81,64,25,()1A5B6C10D12
2,3,13,175()A30625B30651C30759D30952
3,7,16,107()A1707B1704C1086D1072