(1)0,2/3,8/3,4/15,24/5,( )(2)1,6,21,46,31,111,( )(3)1/3,5/9,2/3,13/21,( )(4)6,37,9,82,0,1,1.01,( )(5)1,1,3,7,17,41,( )

分类: 作业答案 • 2022-07-07 14:52:22

问题描述：

(1)0,2/3,8/3,4/15,24/5,( )
(2)1,6,21,46,31,111,( )
(3)1/3,5/9,2/3,13/21,( )
(4)6,37,9,82,0,1,1.01,( )
(5)1,1,3,7,17,41,( )

答

(1)
(1^2-1)/1=0
2/(2^2-1)=2/3
(3^2-1)/3=8/3
4/(4^2-1)=4/15
(5^2-1)/5=24/5
6/(36^2-1)=6/35
(2)
(3)
(4)
37=6^2+1
82=9^2+1
x=1.01^2+1=2.0201
(5)