32,48,40,44,42,( ) A. 43B. 45C. 47D. 49

32,48,40,44,42,( )

A. 43
B. 45
C. 47
D. 49

参考解析

解析:二级等差数列变式,相邻两项的差为等比数列16,-8,4,-2,(1)。故答案为A。

相关考题:

32,48,40,44,42,( )A. 43 B. 45 C. 47 D.49