8.01,17.03,26.09,()
A.34.28
B.48.34
C.35.27
D.32.08
参考答案:C
解析:
本题数列中整数部分8,17,26,(35)为公差为9的等差数列,小数部分 0.01,0.03,0.09,(0.27)为公比为3的等比数列,故本题未知项为35.27。
8.01,17.03,26.09,()
A.34.28
B.48.34
C.35.27
D.32.08
参考答案:C
解析:
本题数列中整数部分8,17,26,(35)为公差为9的等差数列,小数部分 0.01,0.03,0.09,(0.27)为公比为3的等比数列,故本题未知项为35.27。