1,4/3,2,16/5,16/3,()1,6,16,33,59,()6,21,43,72,()8,17,24,37,()

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 09:58:13
1,4/3,2,16/5,16/3,()1,6,16,33,59,()6,21,43,72,()8,17,24,37,()

1,4/3,2,16/5,16/3,()1,6,16,33,59,()6,21,43,72,()8,17,24,37,()
1,4/3,2,16/5,16/3,()
1,6,16,33,59,()
6,21,43,72,()
8,17,24,37,()

1,4/3,2,16/5,16/3,()1,6,16,33,59,()6,21,43,72,()8,17,24,37,()

2/2,4/3,8/4,16/5,32/6,64/7
二级等差数列,59+37=96
3^2-3,5^2-4,7^2-6,9^-9,11^2-13=108
3^2-1,4^2+1,5^2-1,6^2+1,7^2-1=48

只知道第一个
2/2,2^2/3,2^3/4,2^4/5,2^5/6
下一个应该是2^7/7
也就是64/7

1.64/7
2.96
3.108

64/7,96,108,48

6,21,43,72,(111)
8,17,24,37,(48)

1=2/2,4/3,2=8/4,16/5,16/3=32/6.......上乘2下加1:64/7
6-1=5,16-6=10,33-16=17,59-33=26:;10-5=7,17-10=7,26-17=9;二级等差:59+(26+11)=96
同上,二级等差。。72+(29+7)=108
3^2-1=8,4^2+1=17,5^2-1=24,6^2+1=37,.......7^2-1=48