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1?0000                       ????

2?0?0?0                  ????

3?0+0=1                     ????

4?1�1=1                     ????

5?1?n??                ????

6?1:1                           ????

7?1/2                          ????

8?1+2+3                     ????

9?3.4                          ????

10?33.22                    ????

11?2/2                       ????

12?20�3                     ????

13?1=365                   ????

14?9??1?              ????

15?1??100              ????

16?333 555                ????

17?5 10                       ????

18?1?2?3?4?5    ????

19?12345609             ????

20?1?2?4?6?7?8?9?10 ????

21?23456789             ????

22?7?8                      ????

23?2468                     ????

24?43                          ????