单项选择题
3 4 7 16 ( )A.23B.27C.39D.43
单项选择题3 4 7 16 ( )
4,7,11,18,29,47,( )A.94B.96C.76D.74
单项选择题4,7,11,18,29,47,( )
243,199,155,111,( )A.67B.68C.77D.66
单项选择题243,199,155,111,( )