请教公务员数字推理习题:1、4,23,68,101,( )A.129 B.119 C.74.75 D.70.252、2,9,82,1025,( )A.15625 B.15626 C.15627 D.156283、-2,1,-8/27,1/16A.32/3125 B.-32/3125 C.64/3125 D.-64/3125

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请教公务员数字推理习题:1、4,23,68,101,( )A.129 B.119 C.74.75 D.70.252、2,9,82,1025,( )A.15625 B.15626 C.15627 D.156283、-2,1,-8/27,1/16A.32/3125 B.-32/3125 C.64/3125 D.-64/3125
请教公务员数字推理习题:
1、4,23,68,101,( )
A.129 B.119 C.74.75 D.70.25
2、2,9,82,1025,( )
A.15625 B.15626 C.15627 D.15628
3、-2,1,-8/27,1/16
A.32/3125 B.-32/3125 C.64/3125 D.-64/3125

请教公务员数字推理习题:1、4,23,68,101,( )A.129 B.119 C.74.75 D.70.252、2,9,82,1025,( )A.15625 B.15626 C.15627 D.156283、-2,1,-8/27,1/16A.32/3125 B.-32/3125 C.64/3125 D.-64/3125
一、
4×6-1=23
23*3-1=68
68*1.5-1=101
101*0.75-1=74.75
二、
2、9、82、1025、( )
A15625 B15626 C15627 D15628
1^2+1
2^3+1
3^4+1
4^5+1
选B
三、
由第三和第四项知道-8/27=(-2/3)的三次方,1/16=1/2的四次方,易联想到:该数列为n次方型数列,又知1/2=2/4,1=2/2,可得出该数列通项为(-2/n)的n次方,代入一,二项中正好符合,故括号中应填入-32/3125