Question

求教几道数字排列题1.3/2 5/6 7/9 9/20 ( )2.31 37 41 43 ( ) 533.1 2 2 3

Answer 1

1. 3/2 5/6 7/9 9/20 ( 11/30 ), 分子=5+6,分母=5*6

2. 31 37 41 43 ( 47 ) 53, 都是连续的质数.

3. 1 2 2 3 4 6 ( 9 ),从第三项开始是前两项-1,

4. 7 9 40 41 ( ) 122,

5. 2 12 12 30 ( 56 ), 12=3*4,30=5*6,56=7*8

6. 2 3 13 175 ( )

7. 1 32 81 64 25 ( 6 ) 1, 32=2^5,81=3^4,64=4^3,25=5^2,6=6^1,1=7^0

8. -2 -8 0 64 ( )

9. 3 7 16 107 ( )

10. 1 3 4 1 9 ( 8 ), 4=1+3,1=4-3,9=1+3+4+1,8=9-1

11. 0 9 26 65 124 ( )

12. 0 2 10 30 ( )