-1, 32, 0, 64, 25, ()。A.8 B.12 C.124 D.140

作者: tihaiku 人气: - 评论: 0
问题 -1, 32, 0, 64, 25, ()。
选项 A.8 B.12 C.124 D.140
答案 B
解析 本数列各项可进行因数分解:-1X16 = -1,1 X25 =32,0X34=0,1X43=64,1X 52=25。其中-1,1,0,1,1为和数列,16,25,34,43,52为幂数列,故空缺项为因此,本題正确答案为B。

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