1.求极差：54, 25, 39, 45, 46, 5, 25, 48, 45

2.求极差：43, 11, 8, 53, 51

3.求极差：37, 9, 10, 40, 15, 47, 30, 47, 16

4.求极差：59, 40, 39, 5, 9, 54

5.求极差：18, 43, 13, 18, 4, 27, 27

6.求极差：17, 35, 52, 15, 46, 8

7.求极差：21, 16, 32, 53, 47, 21, 47, 33

8.求极差：9, 23, 19, 32, 10, 21

9.求极差：59, 51, 6, 55, 58, 48, 6, 19

10.求极差：6, 12, 57, 36, 24, 60, 4, 46

11.求极差：20, 21, 48, 6, 33, 5, 38

12.求极差：50, 25, 13, 20, 15, 17

13.求极差：24, 43, 10, 20, 23, 5, 35, 56, 36

14.求极差：51, 60, 4, 48, 45, 9, 7, 37, 28

15.求极差：34, 26, 60, 19, 47