5,12,21,34,53,80,( ) A.121B.115C.119D.117

5,12,21,34,53,80,( )

A.121
B.115
C.119
D.117

参考解析

解析:

相关考题:

5,12,21,34,53,80,( )A.121 B.115C.119 D.117

5,12,21,34,53,80,( )A.115 B.117 C.119 D.121

单选题找规律填数字是中学生喜欢做的一种数学游戏,下列各组数字,填人数列“5,12,21,34,53,80,()”括号处,正确的一项是()。A 115B 117C 119D 121