??�??????�

????:???????:??????

????(12??17???????????????)??????????,12???17?????,????????????72??144??240??????(10??),???21??,??

??????????????54???,??(??????????),??????????????24???????????????(????????????????????)60??,????????????????????240???

????21????????????:

1.????

2.???

3.???????

4.???

5.??????

6.????

7.?

8.??

9.???

10.?????

11.??

12.??

13.??

14.??????

15.?????????????

16.???????????????

17.???

18.????

19.??????

20.????????????

21.?

??,??39???????????????????????60???????

??240??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????19??(????????????????)????????????????????5??,??????24???(??????????????????????)?

????5??:

??????????????3??

????????

??????

??:

??????????????????3????

?????????????????????????????????????????????????????????????????12????

???24????(???????????)??????????????????

????????????240??

??54??:

?(40????):???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????;

?(6??):????????????????????;

??(2??):??????;

????????????(6?????):?????????????????????

???????,??3????,????????????(??)???????????????

??240??(??)??,??,???

??,?????????????60??,????,????????,??

240??????????