0.001,0.002,0.006,0.024,( )

恬恬2019-12-17  7

问题 0.001,0.002,0.006,0.024,( )

选项 A. 0.12B. 0.38C. 0.24D. 0.045

答案A

解析二级等比数列,相邻两项的比为2,3,4,(5)。故答案为A。
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