2,3,8,27,32,( ),128 A. 64B. 243C. 275D. 48
2,3,8,27,32,( ),128
A. 64
B. 243
C. 275
D. 48
B. 243
C. 275
D. 48
参考解析
解析:解题指导: 间隔组合数列。奇数项是公比为4的等比数列,偶数项是公比为9的等比数列,所求项为27×9=(243)。故答案为B。
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